diff --git a/addon_files/redmatic/bin/redmatic b/addon_files/redmatic/bin/redmatic
index 25a937f1..961a936a 100755
--- a/addon_files/redmatic/bin/redmatic
+++ b/addon_files/redmatic/bin/redmatic
@@ -124,6 +124,12 @@ Start () {
         logger -t redmatic -p daemon.error "cant start - already running"
         exit 1
     else
+        upSeconds="$(cat /proc/uptime | grep -o '^[0-9]\+')"
+        if [ "${upSeconds}" -lt "120" ]; then
+              logger -t redmatic -p daemon.info "Starting Node-RED after reboot ... waiting 30 seconds..."
+              echo "Starting Node-RED ... waiting 30 seconds..."
+              sleep 30
+        fi
         echo -n "Starting Node-RED: "
         source $ADDON_DIR/versions
         logger -t redmatic -p daemon.info "RedMatic v$VERSION_ADDON (c) Sebastian Raff https://github.com/rdmtc/RedMatic"
diff --git a/package.json b/package.json
index 1220be83..363d86fc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redmatic",
-  "version": "5.0.3",
+  "version": "5.0.4",
   "description": "Node-RED packaged as Homematic CCU addon",
   "repository": "github:rdmtc/redmatic",
   "private": true,