diff --git a/composer.json b/composer.json
index 3554449e..abbc08b0 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
 	],
 	"require": {
 		"php": "^7.1 || ^8.0",
-		"phpstan/phpstan": "^0.12.60"
+		"phpstan/phpstan": "^0.12.66"
 	},
 	"require-dev": {
 		"phing/phing": "^2.16.3",
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index f5968cd9..c271301d 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -2,16 +2,6 @@
 
 parameters:
 	ignoreErrors:
-		-
-			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanAndRule implements generic interface PHPStan\\\\Rules\\\\Rule but does not specify its types\\: TNodeType$#"
-			count: 1
-			path: src/Rules/BooleansInConditions/BooleanInBooleanAndRule.php
-
-		-
-			message: "#^Parameter \\#1 \\$node \\(PhpParser\\\\Node\\\\Expr\\\\BinaryOp\\\\BooleanAnd\\) of method PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanAndRule\\:\\:processNode\\(\\) should be contravariant with parameter \\$node \\(PhpParser\\\\Node\\) of method PHPStan\\\\Rules\\\\Rule\\<PhpParser\\\\Node\\>\\:\\:processNode\\(\\)$#"
-			count: 1
-			path: src/Rules/BooleansInConditions/BooleanInBooleanAndRule.php
-
 		-
 			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanNotRule implements generic interface PHPStan\\\\Rules\\\\Rule but does not specify its types\\: TNodeType$#"
 			count: 1
@@ -22,16 +12,6 @@ parameters:
 			count: 1
 			path: src/Rules/BooleansInConditions/BooleanInBooleanNotRule.php
 
-		-
-			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanOrRule implements generic interface PHPStan\\\\Rules\\\\Rule but does not specify its types\\: TNodeType$#"
-			count: 1
-			path: src/Rules/BooleansInConditions/BooleanInBooleanOrRule.php
-
-		-
-			message: "#^Parameter \\#1 \\$node \\(PhpParser\\\\Node\\\\Expr\\\\BinaryOp\\\\BooleanOr\\) of method PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanOrRule\\:\\:processNode\\(\\) should be contravariant with parameter \\$node \\(PhpParser\\\\Node\\) of method PHPStan\\\\Rules\\\\Rule\\<PhpParser\\\\Node\\>\\:\\:processNode\\(\\)$#"
-			count: 1
-			path: src/Rules/BooleansInConditions/BooleanInBooleanOrRule.php
-
 		-
 			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInElseIfConditionRule implements generic interface PHPStan\\\\Rules\\\\Rule but does not specify its types\\: TNodeType$#"
 			count: 1
@@ -282,16 +262,6 @@ parameters:
 			count: 1
 			path: src/Rules/VariableVariables/VariableVariablesRule.php
 
-		-
-			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanAndRuleTest extends generic class PHPStan\\\\Testing\\\\RuleTestCase but does not specify its types\\: TRule$#"
-			count: 1
-			path: tests/Rules/BooleansInConditions/BooleanInBooleanAndRuleTest.php
-
-		-
-			message: "#^Method PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanAndRuleTest\\:\\:getRule\\(\\) return type with generic interface PHPStan\\\\Rules\\\\Rule does not specify its types\\: TNodeType$#"
-			count: 1
-			path: tests/Rules/BooleansInConditions/BooleanInBooleanAndRuleTest.php
-
 		-
 			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanNotRuleTest extends generic class PHPStan\\\\Testing\\\\RuleTestCase but does not specify its types\\: TRule$#"
 			count: 1
@@ -302,16 +272,6 @@ parameters:
 			count: 1
 			path: tests/Rules/BooleansInConditions/BooleanInBooleanNotRuleTest.php
 
-		-
-			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanOrRuleTest extends generic class PHPStan\\\\Testing\\\\RuleTestCase but does not specify its types\\: TRule$#"
-			count: 1
-			path: tests/Rules/BooleansInConditions/BooleanInBooleanOrRuleTest.php
-
-		-
-			message: "#^Method PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInBooleanOrRuleTest\\:\\:getRule\\(\\) return type with generic interface PHPStan\\\\Rules\\\\Rule does not specify its types\\: TNodeType$#"
-			count: 1
-			path: tests/Rules/BooleansInConditions/BooleanInBooleanOrRuleTest.php
-
 		-
 			message: "#^Class PHPStan\\\\Rules\\\\BooleansInConditions\\\\BooleanInElseIfConditionRuleTest extends generic class PHPStan\\\\Testing\\\\RuleTestCase but does not specify its types\\: TRule$#"
 			count: 1
diff --git a/src/Rules/BooleansInConditions/BooleanInBooleanAndRule.php b/src/Rules/BooleansInConditions/BooleanInBooleanAndRule.php
index bdea564c..be661639 100644
--- a/src/Rules/BooleansInConditions/BooleanInBooleanAndRule.php
+++ b/src/Rules/BooleansInConditions/BooleanInBooleanAndRule.php
@@ -2,8 +2,13 @@
 
 namespace PHPStan\Rules\BooleansInConditions;
 
+use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
+use PHPStan\Node\BooleanAndNode;
 use PHPStan\Type\VerbosityLevel;
 
+/**
+ * @implements \PHPStan\Rules\Rule<BooleanAndNode>
+ */
 class BooleanInBooleanAndRule implements \PHPStan\Rules\Rule
 {
 
@@ -17,27 +22,28 @@ public function __construct(BooleanRuleHelper $helper)
 
 	public function getNodeType(): string
 	{
-		return \PhpParser\Node\Expr\BinaryOp\BooleanAnd::class;
+		return BooleanAndNode::class;
 	}
 
-	/**
-	 * @param \PhpParser\Node\Expr\BinaryOp\BooleanAnd $node
-	 * @param \PHPStan\Analyser\Scope $scope
-	 * @return string[] errors
-	 */
 	public function processNode(\PhpParser\Node $node, \PHPStan\Analyser\Scope $scope): array
 	{
+		$originalNode = $node->getOriginalNode();
+		if (!$originalNode instanceof BooleanAnd) {
+			return [];
+		}
+
 		$messages = [];
-		if (!$this->helper->passesAsBoolean($scope, $node->left)) {
-			$leftType = $scope->getType($node->left);
+		if (!$this->helper->passesAsBoolean($scope, $originalNode->left)) {
+			$leftType = $scope->getType($originalNode->left);
 			$messages[] = sprintf(
 				'Only booleans are allowed in &&, %s given on the left side.',
 				$leftType->describe(VerbosityLevel::typeOnly())
 			);
 		}
 
-		$rightType = $scope->getType($node->right);
-		if (!$this->helper->passesAsBoolean($scope, $node->right)) {
+		$rightScope = $node->getRightScope();
+		if (!$this->helper->passesAsBoolean($rightScope, $originalNode->right)) {
+			$rightType = $rightScope->getType($originalNode->right);
 			$messages[] = sprintf(
 				'Only booleans are allowed in &&, %s given on the right side.',
 				$rightType->describe(VerbosityLevel::typeOnly())
diff --git a/src/Rules/BooleansInConditions/BooleanInBooleanOrRule.php b/src/Rules/BooleansInConditions/BooleanInBooleanOrRule.php
index 77b90269..deb64152 100644
--- a/src/Rules/BooleansInConditions/BooleanInBooleanOrRule.php
+++ b/src/Rules/BooleansInConditions/BooleanInBooleanOrRule.php
@@ -2,8 +2,13 @@
 
 namespace PHPStan\Rules\BooleansInConditions;
 
+use PhpParser\Node\Expr\BinaryOp\BooleanOr;
+use PHPStan\Node\BooleanOrNode;
 use PHPStan\Type\VerbosityLevel;
 
+/**
+ * @implements \PHPStan\Rules\Rule<BooleanOrNode>
+ */
 class BooleanInBooleanOrRule implements \PHPStan\Rules\Rule
 {
 
@@ -17,27 +22,28 @@ public function __construct(BooleanRuleHelper $helper)
 
 	public function getNodeType(): string
 	{
-		return \PhpParser\Node\Expr\BinaryOp\BooleanOr::class;
+		return BooleanOrNode::class;
 	}
 
-	/**
-	 * @param \PhpParser\Node\Expr\BinaryOp\BooleanOr $node
-	 * @param \PHPStan\Analyser\Scope $scope
-	 * @return string[] errors
-	 */
 	public function processNode(\PhpParser\Node $node, \PHPStan\Analyser\Scope $scope): array
 	{
+		$originalNode = $node->getOriginalNode();
+		if (!$originalNode instanceof BooleanOr) {
+			return [];
+		}
+
 		$messages = [];
-		if (!$this->helper->passesAsBoolean($scope, $node->left)) {
-			$leftType = $scope->getType($node->left);
+		if (!$this->helper->passesAsBoolean($scope, $originalNode->left)) {
+			$leftType = $scope->getType($originalNode->left);
 			$messages[] = sprintf(
 				'Only booleans are allowed in ||, %s given on the left side.',
 				$leftType->describe(VerbosityLevel::typeOnly())
 			);
 		}
 
-		if (!$this->helper->passesAsBoolean($scope, $node->right)) {
-			$rightType = $scope->getType($node->right);
+		$rightScope = $node->getRightScope();
+		if (!$this->helper->passesAsBoolean($rightScope, $originalNode->right)) {
+			$rightType = $rightScope->getType($originalNode->right);
 			$messages[] = sprintf(
 				'Only booleans are allowed in ||, %s given on the right side.',
 				$rightType->describe(VerbosityLevel::typeOnly())
diff --git a/tests/Rules/BooleansInConditions/BooleanInBooleanAndRuleTest.php b/tests/Rules/BooleansInConditions/BooleanInBooleanAndRuleTest.php
index 80c82a3b..4df87758 100644
--- a/tests/Rules/BooleansInConditions/BooleanInBooleanAndRuleTest.php
+++ b/tests/Rules/BooleansInConditions/BooleanInBooleanAndRuleTest.php
@@ -5,6 +5,9 @@
 use PHPStan\Rules\Rule;
 use PHPStan\Rules\RuleLevelHelper;
 
+/**
+ * @extends \PHPStan\Testing\RuleTestCase<BooleanInBooleanAndRule>
+ */
 class BooleanInBooleanAndRuleTest extends \PHPStan\Testing\RuleTestCase
 {
 
@@ -48,4 +51,14 @@ public function testRule(): void
 		]);
 	}
 
+	public function testBug104(): void
+	{
+		$this->analyse([__DIR__ . '/data/bug-104.php'], [
+			[
+				'Only booleans are allowed in &&, string given on the right side.',
+				13,
+			],
+		]);
+	}
+
 }
diff --git a/tests/Rules/BooleansInConditions/BooleanInBooleanOrRuleTest.php b/tests/Rules/BooleansInConditions/BooleanInBooleanOrRuleTest.php
index c4c1ddbe..3c8ccaf7 100644
--- a/tests/Rules/BooleansInConditions/BooleanInBooleanOrRuleTest.php
+++ b/tests/Rules/BooleansInConditions/BooleanInBooleanOrRuleTest.php
@@ -5,6 +5,9 @@
 use PHPStan\Rules\Rule;
 use PHPStan\Rules\RuleLevelHelper;
 
+/**
+ * @extends \PHPStan\Testing\RuleTestCase<BooleanInBooleanOrRule>
+ */
 class BooleanInBooleanOrRuleTest extends \PHPStan\Testing\RuleTestCase
 {
 
@@ -37,10 +40,6 @@ public function testRule(): void
 				'Only booleans are allowed in ||, string given on the left side.',
 				27,
 			],
-			[
-				'Only booleans are allowed in ||, string given on the right side.',
-				27,
-			],
 			[
 				'Only booleans are allowed in ||, mixed given on the right side.',
 				29,
diff --git a/tests/Rules/BooleansInConditions/data/bug-104.php b/tests/Rules/BooleansInConditions/data/bug-104.php
new file mode 100644
index 00000000..8bc5f249
--- /dev/null
+++ b/tests/Rules/BooleansInConditions/data/bug-104.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Bug104;
+
+class Foo
+{
+
+	public function foo(?string $bar): void
+	{
+		if ($bar !== null && strpos($bar, 'bar') === 0) {
+			echo 'strpos works';
+		}
+		if ($bar !== null && $bar) {
+			echo 'string as boolean does not';
+		}
+	}
+
+	public function bar(?bool $bar): void
+	{
+		if ($bar !== null && $bar) {
+			echo 'foo';
+		}
+	}
+
+}