diff --git a/src/rules/useIsnanRule.ts b/src/rules/useIsnanRule.ts
index 8a458560753..71c164a7395 100644
--- a/src/rules/useIsnanRule.ts
+++ b/src/rules/useIsnanRule.ts
@@ -30,9 +30,8 @@ export class Rule extends Lint.Rules.AbstractRule {
 }
 
 class UseIsnanRuleWalker extends Lint.RuleWalker {
-
     protected visitBinaryExpression(node: ts.BinaryExpression): void {
-        if (this.isExpressionNaN(node.left) || this.isExpressionNaN(node.right)
+        if ((this.isExpressionNaN(node.left) || this.isExpressionNaN(node.right))
                 && node.operatorToken.kind !== ts.SyntaxKind.EqualsToken) {
             this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING + node.getText()));
         }
diff --git a/test/configurationTests.ts b/test/configurationTests.ts
index b17a294408b..c7ea4f2dcdc 100644
--- a/test/configurationTests.ts
+++ b/test/configurationTests.ts
@@ -87,6 +87,7 @@ describe("Configuration", () => {
 
         describe("with config not relative to tslint", () => {
             let tmpfile: string;
+
             beforeEach(() => {
                 for (let i = 0; i < 5; i++) {
                     const attempt = path.join(os.tmpdir(), `tslint.test${Math.round(Date.now() * Math.random())}.json`);
@@ -99,11 +100,13 @@ describe("Configuration", () => {
                     throw new Error("Couldn't create temp file");
                 }
             });
+
             afterEach(() => {
                 if (tmpfile !== undefined) {
                     fs.unlinkSync(tmpfile);
                 }
             });
+
             it("extends with package installed relative to tslint", () => {
                 fs.writeFileSync(tmpfile, JSON.stringify({ extends: "tslint-test-config-non-relative" }));
                 let config = loadConfigurationFromPath(tmpfile);