diff --git a/game/game.js b/game/game.js
index 197bea009..4536b0392 100644
--- a/game/game.js
+++ b/game/game.js
@@ -9462,7 +9462,7 @@
 							try{
 								_status.extension=lib.extensions[i][0];
 								_status.evaluatingExtension=lib.extensions[i][3];
-								lib.extensions[i][1](lib.extensions[i][2],lib.extensions[i][4]);
+								if (typeof lib.extensions[i][1]=="function") lib.extensions[i][1](lib.extensions[i][2],lib.extensions[i][4]);
 								if(lib.extensions[i][4]){
 									if(lib.extensions[i][4].character){
 										for(var j in lib.extensions[i][4].character.character){