diff --git a/apps/openmw/mwscript/miscextensions.cpp b/apps/openmw/mwscript/miscextensions.cpp
index 32d86f55a..5aebbc3a9 100644
--- a/apps/openmw/mwscript/miscextensions.cpp
+++ b/apps/openmw/mwscript/miscextensions.cpp
@@ -37,7 +37,7 @@ namespace
 
     void addToLevList(ESM::LevelledListBase* list, const std::string& itemId, int level)
     {
-        for (std::vector<ESM::LevelledListBase::LevelItem>::iterator it = list->mList.begin(); it != list->mList.end();)
+        for (std::vector<ESM::LevelledListBase::LevelItem>::iterator it = list->mList.begin(); it != list->mList.end(); ++it)
         {
             if (it->mLevel == level && itemId == it->mId)
                 return;