diff --git a/bin/dub b/bin/dub
index 34fe490..38cdf79 100755
--- a/bin/dub
+++ b/bin/dub
@@ -20,7 +20,7 @@
 START_SCRIPT=`mktemp -t dub.start.XXXXXXXX`
 
 # copy dub.d to /tmp and make it deletable by anyone
-cp -p "$DUB_BIN"/app.d /tmp/app.d
+cp -p "$DUB_SOURCE"/app.d /tmp/app.d
 chmod 666 /tmp/app.d
 
 # run VPM and delete the dub.d file again, VPM will output the compile/run script