diff --git a/global/overlay/etc/puppet/modules/net/files/baas2_restoretest/validate-backup-files b/global/overlay/etc/puppet/modules/net/files/baas2_restoretest/validate-backup-files
index 3946e90..2608197 100755
--- a/global/overlay/etc/puppet/modules/net/files/baas2_restoretest/validate-backup-files
+++ b/global/overlay/etc/puppet/modules/net/files/baas2_restoretest/validate-backup-files
@@ -17,7 +17,7 @@ checksum_file=checksums.sha256
 status_critical="critical"
 status_ok="ok"
 
-function exit_if_failed($) {
+function exit_if_failed() {
   if [ $1 -ne 0 ]; then
     echo $status_critical > "$status_file.tmp"
     mv $status_file.tmp $status_file