diff --git a/gazpar2mqtt/rootfs/scripts/99-run.sh b/gazpar2mqtt/rootfs/scripts/99-run.sh
index 107ec3753..f99bfd551 100644
--- a/gazpar2mqtt/rootfs/scripts/99-run.sh
+++ b/gazpar2mqtt/rootfs/scripts/99-run.sh
@@ -72,7 +72,7 @@ do
     # Check if secret
     if [[ "${line}" == *'!secret '* ]]; then
         secret=${line#*secret }
-        secret=$(sed "/$secret/"\!"d" /config/secrets.yaml)
+        secret=$(sed -n "/$secret/p" /config/secrets.yaml)
         secret=${secret#*: }
         line="${line%%=*}=$secret"
     fi