diff --git a/src/game/ObjectGridLoader.cpp b/src/game/ObjectGridLoader.cpp
index 1252c3c1e74..1ba694d9738 100644
--- a/src/game/ObjectGridLoader.cpp
+++ b/src/game/ObjectGridLoader.cpp
@@ -335,7 +335,7 @@ template<class T>
 void
 ObjectGridCleaner::Visit(GridRefManager<T> &m)
 {
-    for(GridRefManager<T>::iterator iter = m.begin(); iter != m.end(); ++iter)
+    for(typename GridRefManager<T>::iterator iter = m.begin(); iter != m.end(); ++iter)
         iter->getSource()->RemoveFromWorld();
 }