diff --git a/zcutil/fetch-params.sh b/zcutil/fetch-params.sh
index 7f8eab39..48ee31fb 100755
--- a/zcutil/fetch-params.sh
+++ b/zcutil/fetch-params.sh
@@ -59,7 +59,7 @@ function lock() {
     # create lock file
     eval "exec 200>/$lockfile"
     # acquire the lock
-    gflock -n 200 \
+    flock -n 200 \
         && return 0 \
         || return 1
 }