diff --git a/test/common/autotest_common.sh b/test/common/autotest_common.sh
index 92499cfae..70ade3d83 100755
--- a/test/common/autotest_common.sh
+++ b/test/common/autotest_common.sh
@@ -661,7 +661,7 @@ function create_test_list() {
 	# First search all scripts in main SPDK directory.
 	completion=$(grep -shI -d skip --include="*.sh" -e "run_test " $rootdir/*)
 	# Follow up with search in test directory recursively.
-	completion+=$(grep -rshI --include="*.sh" --exclude="*autotest_common.sh" -e "run_test " $rootdir/test)
+	completion+=$'\n'$(grep -rshI --include="*.sh" --exclude="*autotest_common.sh" -e "run_test " $rootdir/test)
 	printf "%s" "$completion" | grep -v "#" \
 		| sed 's/^.*run_test/run_test/' | awk '{print $2}' \
 		| sed 's/\"//g' | sort > $output_dir/all_tests.txt || true