diff --git a/Dockerfile b/Dockerfile
index 46f69de..e1ad41c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,11 +32,11 @@ RUN /root/setup.sh
 
 # nodejs npm install  --- opencv----- uncomment --------------------------
 ARG USER1=node
-ARG NODEPROJECT1-src=playground-client/playground-client
+ARG NODEPROJECT1src=playground-client/playground-client
 ARG NODEPROJECT1=playground-client
 
 ENV USER1 ${USER1}
-ENV NODEPROJECTSRC ${NODEPROJECT1-src}
+ENV NODEPROJECTSRC ${NODEPROJECT1src}
 ENV NODEPROJECT ${NODEPROJECT1}