diff --git a/contrib/fedora/rpm/build.sh b/contrib/fedora/rpm/build.sh
index f46b9ba56e..fe2fd968d1 100755
--- a/contrib/fedora/rpm/build.sh
+++ b/contrib/fedora/rpm/build.sh
@@ -127,7 +127,7 @@ if [ -n "$SOURCE" ]; then
     [[ "$SOURCE_FROM_GIT" == 1 ]] && die "Cannot set both \$SOURCE and \$SOURCE_FROM_GIT=1"
     SOURCE_FROM_GIT=0
 elif [[ "$SOURCE_FROM_GIT" != "1" ]]; then
-    SOURCE="$(ls -1 "$GITDIR/NetworkManager-${VERSION}.tar."* 2>/dev/null | head -n1)"
+    SOURCE="$(ls -1 "$GITDIR/NetworkManager-${VERSION}.tar."* 2>/dev/null | head -n1 || :)"
     if [[ -z "$SOURCE" ]]; then
         [[ "$SOURCE_FROM_GIT" == "0" ]] && die "Either set \$SOURCE or set \$SOURCE_FROM_GIT=1"
         SOURCE_FROM_GIT=1