diff --git a/files/md5sum-update b/files/md5sum-update
index 2bd0f6b..9d4556d 100755
--- a/files/md5sum-update
+++ b/files/md5sum-update
@@ -32,7 +32,7 @@ _update() {
     return
   fi
   if test -f "$file"; then
-    if grep -q "  $file$" "$list_name"; then
+    if grep -qF "  $file" "$list_name"; then
       echo "$file: exist"
     else
       echo "$file: new"