diff --git a/dub.json b/dub.json
index 1aaa55c..42cd795 100644
--- a/dub.json
+++ b/dub.json
@@ -45,6 +45,6 @@
     }
   ],
   "preGenerateCommands" : [
-    "rdmd dubhash.d"
+    "rdmd $PACKAGE_DIR/dubhash.d"
   ]
 }