1 files changed, 1 insertions, 1 deletions
diff --git a/inc/common.php b/inc/common.php
index b47395333..3bdfc7c72 100644
--- a/inc/common.php
+++ b/inc/common.php
@@ -480,7 +480,7 @@ function checkwordblock(){
       if(empty($block)) continue;
       $re[]  = $block;
     }
-    if(preg_match('#('.join('|',$re).')#si',$text)) {
+    if(count($re) && preg_match('#('.join('|',$re).')#si',$text)) {
       return true;
     }
   }