diff --git a/debian/nightly_build.sh b/debian/nightly_build.sh
index 11ec73f1..5a799571 100755
--- a/debian/nightly_build.sh
+++ b/debian/nightly_build.sh
@@ -45,6 +45,7 @@ errorExit() {
 doPull() {
   RC="1"
   LATEST="`$STATUSCMD`"
+  dh_clean
   git reset --hard HEAD
   git clean -f
   $PULLCMD >>$BUILDLOG 2>&1 || errorExit "Error pulling from the repo"