diff --git a/assets/snippets/if/snippet.if.php b/assets/snippets/if/snippet.if.php
index 65004f6c34..692d9bf60a 100644
--- a/assets/snippets/if/snippet.if.php
+++ b/assets/snippets/if/snippet.if.php
@@ -98,6 +98,11 @@
                     $output = (strpos($subject,$operand) !== false) ? true : false;
                     $i++;
                     break;
+                case '!contains':
+                case 'not_contains':
+                    $output = (strpos($subject,$operand) !== false) ? false : true;
+                    $i++;
+                    break;
                 case '==':
                 case '=':
                 case 'eq':