diff --git a/98_TadoAPI.pm b/98_TadoAPI.pm
index 6b393bb..83235c5 100644
--- a/98_TadoAPI.pm
+++ b/98_TadoAPI.pm
@@ -697,8 +697,9 @@ sub TadoAPI_SetAllOverlays(@){
     my $zoneid = $zones[$i]->{'id'};
     if(defined($duration) && $duration > 0){
       TadoAPI_SetZoneOverlayById($hash, $zoneid, $setting, $duration);
-    }else
+    }else{
       TadoAPI_SetZoneOverlayById($hash, $zoneid, $setting);
+    }
   }
 }