diff --git a/packages/Php/src/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector.php b/packages/Php/src/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector.php
index bdee17640d51..96fae1cb8970 100644
--- a/packages/Php/src/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector.php
+++ b/packages/Php/src/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector.php
@@ -66,6 +66,10 @@ public function getNodeTypes(): array
      */
     public function refactor(Node $node): ?Node
     {
+        if ($node instanceof BinaryOp\Concat) {
+            return null;
+        }
+
         if ($this->isStringyType($node->left) && $this->isNumberType($node->right)) {
             $node->left = new LNumber(0);
 
diff --git a/packages/Php/tests/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector/Fixture/ignore_concatenation_dot.php.inc b/packages/Php/tests/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector/Fixture/ignore_concatenation_dot.php.inc
index 2083375ce59e..954bf3108023 100644
--- a/packages/Php/tests/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector/Fixture/ignore_concatenation_dot.php.inc
+++ b/packages/Php/tests/Rector/BinaryOp/BinaryOpBetweenNumberAndStringRector/Fixture/ignore_concatenation_dot.php.inc
@@ -11,21 +11,3 @@ class IgnoreConcatenationDots
         $value = $string . ' ' . $number;
     }
 }
-
-?>
------
-<?php
-
-namespace Rector\Php\Tests\Rector\BinaryOp\BinaryOpBetweenNumberAndStringRector\Fixture;
-
-class IgnoreConcatenationDots
-{
-    public function run()
-    {
-        $string = 'this is a string to cancatenate with the number';
-        $number = 10;
-        $value = $string . ' ' . $number;
-    }
-}
-
-?>