diff --git a/containments/desktop/plugins/folder/positioner.cpp b/containments/desktop/plugins/folder/positioner.cpp
--- a/containments/desktop/plugins/folder/positioner.cpp
+++ b/containments/desktop/plugins/folder/positioner.cpp
@@ -254,11 +254,7 @@
         }
     }
 
-    if (m_sourceToProxy.contains(sourceIndex)) {
-        return m_sourceToProxy.value(sourceIndex);
-    }
-
-    return -1;
+    return m_sourceToProxy.value(sourceIndex, -1);
 }
 
 void Positioner::setRangeSelected(int anchor, int to)