diff --git a/apps/opencs/model/world/commanddispatcher.cpp b/apps/opencs/model/world/commanddispatcher.cpp
index 0b1af0e84..0bef1bb4e 100644
--- a/apps/opencs/model/world/commanddispatcher.cpp
+++ b/apps/opencs/model/world/commanddispatcher.cpp
@@ -93,7 +93,7 @@ void CSMWorld::CommandDispatcher::setEditLock (bool locked)
 void CSMWorld::CommandDispatcher::setSelection (const std::vector<std::string>& selection)
 {
     mSelection = selection;
-    std::for_each (mSelection.begin(), mSelection.end(), Misc::StringUtils::toLower);
+    std::for_each (mSelection.begin(), mSelection.end(), Misc::StringUtils::toLowerStr);
     std::sort (mSelection.begin(), mSelection.end());
 }
 
diff --git a/apps/opencs/model/world/scriptcontext.cpp b/apps/opencs/model/world/scriptcontext.cpp
index f644ad37a..33025bd1c 100644
--- a/apps/opencs/model/world/scriptcontext.cpp
+++ b/apps/opencs/model/world/scriptcontext.cpp
@@ -93,7 +93,7 @@ bool CSMWorld::ScriptContext::isId (const std::string& name) const
     {
         mIds = mData.getIds();
 
-        std::for_each (mIds.begin(), mIds.end(), &Misc::StringUtils::toLower);
+        std::for_each (mIds.begin(), mIds.end(), &Misc::StringUtils::toLowerStr);
         std::sort (mIds.begin(), mIds.end());
 
         mIdsUpdated = true;
diff --git a/components/misc/stringops.hpp b/components/misc/stringops.hpp
index 72c027530..ce27d5fb2 100644
--- a/components/misc/stringops.hpp
+++ b/components/misc/stringops.hpp
@@ -100,6 +100,11 @@ public:
         return inout;
     }
 
+    static std::string &toLowerStr(std::string &inout)
+    {
+        return toLower(inout);
+    }
+
     /// Returns lower case copy of input string
     static std::string lowerCase(const std::string &in)
     {