diff --git a/src/Libero/ruleset.xml b/src/Libero/ruleset.xml
index 3c657d5..800ee90 100644
--- a/src/Libero/ruleset.xml
+++ b/src/Libero/ruleset.xml
@@ -85,6 +85,7 @@
     <rule ref="SlevomatCodingStandard.Namespaces.UseSpacing"/>
     <rule ref="SlevomatCodingStandard.Operators.DisallowEqualOperators"/>
     <rule ref="SlevomatCodingStandard.Operators.RequireCombinedAssignmentOperator"/>
+    <rule ref="SlevomatCodingStandard.Operators.SpreadOperatorSpacing"/>
     <rule ref="SlevomatCodingStandard.PHP.ShortList"/>
     <rule ref="SlevomatCodingStandard.PHP.TypeCast"/>
     <rule ref="SlevomatCodingStandard.PHP.UselessParentheses">
diff --git a/tests/cases/classes/method-declaration b/tests/cases/classes/method-declaration
index cc68b91..d0d67cc 100644
--- a/tests/cases/classes/method-declaration
+++ b/tests/cases/classes/method-declaration
@@ -11,7 +11,7 @@ namespace Vendor;
 
 class Foo
 {
-    public function bar  ( $baz  ,&$qux,  bool$quux, ? string  $quuz    =null   ,  string...$corge   ):
+    public function bar  ( $baz  ,&$qux,  bool$quux, ? string  $quuz    =null   ,  string...  $corge   ):
     void
     {
     }
diff --git a/tests/cases/closures/declaration b/tests/cases/closures/declaration
index f355a87..7294f69 100644
--- a/tests/cases/closures/declaration
+++ b/tests/cases/closures/declaration
@@ -7,7 +7,7 @@ declare(strict_types=1);
 
 namespace Vendor;
 
-$foo = function   ( $bar  ,&$baz,  bool$qux, ? string  $quux    =null   ,  string...$quuz   )use  ( &$foo)   :
+$foo = function   ( $bar  ,&$baz,  bool$qux, ? string  $quux    =null   ,  string...  $quuz   )use  ( &$foo)   :
 void
 {
 };
diff --git a/tests/cases/functions/declaration b/tests/cases/functions/declaration
index e3882e4..6fe7902 100644
--- a/tests/cases/functions/declaration
+++ b/tests/cases/functions/declaration
@@ -7,7 +7,7 @@ declare(strict_types=1);
 
 namespace Vendor;
 
-function foo  ( $bar  ,&$baz,  bool$qux, ? string  $quux    =null   ,  string...$quuz   ):
+function foo  ( $bar  ,&$baz,  bool$qux, ? string  $quux    =null   ,  string...  $quuz   ):
 void
 {
 }
diff --git a/tests/cases/trait/method-declaration b/tests/cases/trait/method-declaration
index dc6b1e9..6e4067c 100644
--- a/tests/cases/trait/method-declaration
+++ b/tests/cases/trait/method-declaration
@@ -11,7 +11,7 @@ namespace Vendor;
 
 trait Foo
 {
-    public function bar  ( $baz  ,&$qux,  bool$quux, ? string  $quuz    =null   ,  string...$corge   ):
+    public function bar  ( $baz  ,&$qux,  bool$quux, ? string  $quuz    =null   ,  string...  $corge   ):
     void
     {
     }
diff --git a/tests/cases/whitespace/function-call b/tests/cases/whitespace/function-call
index b457c56..e25ac79 100644
--- a/tests/cases/whitespace/function-call
+++ b/tests/cases/whitespace/function-call
@@ -9,7 +9,9 @@ foo ( $arg1 );
 
 foo
 ($arg1
-,$arg2);
+,...  $arg2);
+
+foo   ($arg1,...  $arg2);
 
 ---FIXED---
 <?php
@@ -20,7 +22,9 @@ foo($arg1);
 
 foo(
     $arg1,
-    $arg2
+    ...$arg2
 );
 
+foo($arg1, ...$arg2);
+
 ---