diff --git a/helpers/get-git-source.sh b/helpers/get-git-source.sh
index a169759d..470a40d8 100755
--- a/helpers/get-git-source.sh
+++ b/helpers/get-git-source.sh
@@ -12,6 +12,9 @@
 GIT_URL="$1"
 DEST="$2"
 
+# exit on error
+set -e
+
 if [ -d $DEST ]; then
 	cd $DEST
 		git pull || true
diff --git a/helpers/get-svn-source.sh b/helpers/get-svn-source.sh
index e5a36717..d81ea5fb 100755
--- a/helpers/get-svn-source.sh
+++ b/helpers/get-svn-source.sh
@@ -12,6 +12,9 @@
 SVN_URL="$1"
 DEST="$2"
 
+# exit on error
+set -e
+
 if [ -d $DEST ]; then
 	cd $DEST
 		svn update || true