diff --git a/docker/Dockerfile b/docker/Dockerfile
index 0041d6d..105b947 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -85,8 +85,8 @@ RUN su -l --shell /bin/bash $UNAME -c 'git clone https://git.bitdeals.org/privat
 ARG NOCACHE=0
 
 ## Install BitDeals module (apostol-dm)
-ENV BUILD_MODE='release'
-#ENV BUILD_MODE='debug'
+ARG BUILD_MODE='release'
+#ARG BUILD_MODE='debug'
 
 COPY . $UHOME/apostol-dm