diff --git a/Containers/mastercontainer/healthcheck.sh b/Containers/mastercontainer/healthcheck.sh
index 29ad40a6..3f773553 100644
--- a/Containers/mastercontainer/healthcheck.sh
+++ b/Containers/mastercontainer/healthcheck.sh
@@ -4,6 +4,6 @@ if [ -f "/mnt/docker-aio-config/data/configuration.json" ]; then
     nc -z 127.0.0.1 80 || exit 1
     nc -z 127.0.0.1 8080 || exit 1
     nc -z 127.0.0.1 8443 || exit 1
-    [ -f /run/php.sock ] || exit 1
+    test -S /run/php.sock || exit 1
     nc -z 127.0.0.1 9876 || exit 1
 fi