diff --git a/apps/openmw/mwdialogue/dialoguemanager.cpp b/apps/openmw/mwdialogue/dialoguemanager.cpp
index 7baf589c4..295a50526 100644
--- a/apps/openmw/mwdialogue/dialoguemanager.cpp
+++ b/apps/openmw/mwdialogue/dialoguemanager.cpp
@@ -363,7 +363,7 @@ namespace MWDialogue
                 int sum = 0;
 
                 for (MWWorld::ContainerStoreIterator iter (store.begin()); iter!=store.end(); ++iter)
-                    if (iter->getCellRef().refID==name)
+                    if (toLower(iter->getCellRef().refID) == toLower(name))
                         sum += iter->getRefData().getCount();
                 if(!selectCompare<int,int>(comp,sum,select.i)) return false;
                 }
diff --git a/apps/openmw/mwscript/containerextensions.cpp b/apps/openmw/mwscript/containerextensions.cpp
index 3e8658bf8..b916ba72c 100644
--- a/apps/openmw/mwscript/containerextensions.cpp
+++ b/apps/openmw/mwscript/containerextensions.cpp
@@ -18,6 +18,19 @@
 #include "interpretercontext.hpp"
 #include "ref.hpp"
 
+namespace
+{
+    std::string toLower (const std::string& name)
+    {
+        std::string lowerCase;
+
+        std::transform (name.begin(), name.end(), std::back_inserter (lowerCase),
+            (int(*)(int)) std::tolower);
+
+        return lowerCase;
+    }
+}
+
 namespace MWScript
 {
     namespace Container
@@ -65,7 +78,7 @@ namespace MWScript
                     Interpreter::Type_Integer sum = 0;
 
                     for (MWWorld::ContainerStoreIterator iter (store.begin()); iter!=store.end(); ++iter)
-                        if (iter->getCellRef().refID==item)
+                        if (toLower(iter->getCellRef().refID) == toLower(item))
                             sum += iter->getRefData().getCount();
 
                     runtime.push (sum);
@@ -95,7 +108,7 @@ namespace MWScript
                     for (MWWorld::ContainerStoreIterator iter (store.begin()); iter!=store.end() && count;
                         ++iter)
                     {
-                        if (iter->getCellRef().refID==item)
+                        if (toLower(iter->getCellRef().refID) == toLower(item))
                         {
                             if (iter->getRefData().getCount()<=count)
                             {