diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 365b3c2b8f43..220dae0db3f1 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -126,7 +126,7 @@ scm_version()
 
 collect_files()
 {
-	local file res
+	local file res=
 
 	for file; do
 		case "$file" in