diff --git a/rules/code-quality/src/Rector/Array_/ArrayThisCallToThisMethodCallRector.php b/rules/code-quality/src/Rector/Array_/ArrayThisCallToThisMethodCallRector.php
index 3033c43c77d..eb91b287fac 100644
--- a/rules/code-quality/src/Rector/Array_/ArrayThisCallToThisMethodCallRector.php
+++ b/rules/code-quality/src/Rector/Array_/ArrayThisCallToThisMethodCallRector.php
@@ -95,6 +95,10 @@ PHP
 
         [$class, $method] = $arrayCallable;
 
+        if (! method_exists($class, $method)) {
+            return null;
+        }
+
         $methodReflection = new ReflectionMethod($class, $method);
         if ($methodReflection->getNumberOfParameters() > 0) {
             return null;
diff --git a/rules/code-quality/tests/Rector/Array_/ArrayThisCallToThisMethodCallRector/Fixture/skip_non_existing_method.php.inc b/rules/code-quality/tests/Rector/Array_/ArrayThisCallToThisMethodCallRector/Fixture/skip_non_existing_method.php.inc
new file mode 100644
index 00000000000..4b867f4fa9c
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Array_/ArrayThisCallToThisMethodCallRector/Fixture/skip_non_existing_method.php.inc
@@ -0,0 +1,12 @@
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Array_\ArrayThisCallToThisMethodCallRector\Fixture;
+
+class SkipNonExistingMethod
+{
+    public function run()
+    {
+        $values = [1, 5, 3];
+        usort($values, [$this, 'compareSizeThat']);
+    }
+}