diff --git a/src/Coduo/PHPMatcher/Matcher/CallbackMatcher.php b/src/Coduo/PHPMatcher/Matcher/CallbackMatcher.php
index ba214d3e..9943d526 100644
--- a/src/Coduo/PHPMatcher/Matcher/CallbackMatcher.php
+++ b/src/Coduo/PHPMatcher/Matcher/CallbackMatcher.php
@@ -17,6 +17,6 @@ public function match($value, $pattern)
      */
     public function canMatch($pattern)
     {
-        return is_object($pattern) && $pattern instanceof \Closure;
+        return is_callable($pattern);
     }
 }