diff --git a/Dockerfile b/Dockerfile
index fdc30bd..779cc25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -52,6 +52,12 @@ RUN printf "\
 #xrandr --output default --gamma 0:0:0 --mode 1200x1000\n\
 #rm -rf /tmp/* \n\
 OUTPUT=\`xrandr -display :0 -q | sed '/ connected/!d;s/ .*//;q'\`\n\
+while [ -z "\${OUTPUT}" ] \n\
+do \n\
+    echo \"No display connected. Wait 10 Sec\" \n\
+    sleep 10 \n\
+    OUTPUT=\`xrandr -display :0 -q | sed '/ connected/!d;s/ .*//;q'\`\n\
+done \n\
 #xrandr -display :0 --output \$OUTPUT --set \"Broadcast RGB\" \"Full\"\n\
 #xsetroot #000000\n\
 #GEO="$(fbset -s | awk '$1 == "geometry" { print $2":"$3 }')" \n\