diff --git a/.githooks/post-merge b/.githooks/post-merge
index f6a0b76..899d703 100755
--- a/.githooks/post-merge
+++ b/.githooks/post-merge
@@ -15,7 +15,7 @@ GIT_PULL_TMP=/tmp/git_pull
 OPKG_CMDS_TMP=/tmp/opkg_commands
 
 for fn in $(git diff-tree -r HEAD@{1} HEAD --name-only); do
-    if grep -E -q ".*(DC*.json|dc/dc2c.hex|tariff*.json)" <<< $fn; then
+    if grep -E -q "(DC.*json|dc2c.hex|tariff.*json)" <<< $fn; then
         echo "$fn" >> $GIT_PULL_TMP
     fi
     if grep -E -q ".*opkg_commands" <<< $fn; then