diff --git a/common/lualib.h b/common/lualib.h
index f11e8a37..4f8141a7 100644
--- a/common/lualib.h
+++ b/common/lualib.h
@@ -107,6 +107,7 @@ luaA_dofunction(lua_State *L, int nargs, int nret)
     lua_pushcfunction(L, luaA_dofunction_error);
     /* Move error handling function before args and function */
     lua_insert(L, - nargs - 2);
+    int error_func_pos = lua_gettop(L) - nargs - 2;
     if(lua_pcall(L, nargs, nret, - nargs - 2))
     {
         warn("%s", lua_tostring(L, -1));
@@ -115,7 +116,7 @@ luaA_dofunction(lua_State *L, int nargs, int nret)
         return false;
     }
     /* Remove error function */
-    lua_remove(L, - nret - 1);
+    lua_remove(L, error_func_pos);
     return true;
 }