diff --git a/novnc/Dockerfile b/novnc/Dockerfile
index ad53207..0d26717 100644
--- a/novnc/Dockerfile
+++ b/novnc/Dockerfile
@@ -33,7 +33,7 @@ then
 fi
 
 # Read ssh client variables hostname and port (5900, 5901, 5902, etc)
-ssh ${MYVNC_VNCSSH_HOST} -L ${MYVNC_VNCLISTEN_HOST:-5900}:localhost:${MYVNC_VNCSSH_PORT} &
+ssh ${MYVNC_VNCSSH_HOST} -L ${MYVNC_VNCLISTEN_PORT:-5900}:localhost:${MYVNC_VNCSSH_PORT} &
 01-init
 
 # Default environment