diff --git a/apps/opencs/model/world/scriptcontext.cpp b/apps/opencs/model/world/scriptcontext.cpp
index 6d97d75ce..0d2b9984e 100644
--- a/apps/opencs/model/world/scriptcontext.cpp
+++ b/apps/opencs/model/world/scriptcontext.cpp
@@ -96,7 +96,7 @@ bool CSMWorld::ScriptContext::isId (const std::string& name) const
     {
         mIds = mData.getIds();
 
-        std::for_each (mIds.begin(), mIds.end(), &Misc::StringUtils::lowerCase);
+        std::for_each (mIds.begin(), mIds.end(), &Misc::StringUtils::toLower);
         std::sort (mIds.begin(), mIds.end());
 
         mIdsUpdated = true;