--- src/ui/dialog/align-and-distribute.cpp
+++ src/ui/dialog/align-and-distribute.cpp
@@ -955,7 +955,7 @@
         break;
 
     } // end of switch statement
-    return NULL;
+    return (std::list<SPItem *>::iterator)NULL;
 }
 
 AlignAndDistribute::AlignTarget AlignAndDistribute::getAlignTarget()const {