diff --git a/docker/alpine/Dockerfile.build b/docker/alpine/Dockerfile.build
index 9b052bf..ed4ebac 100644
--- a/docker/alpine/Dockerfile.build
+++ b/docker/alpine/Dockerfile.build
@@ -24,11 +24,10 @@ ENV NODE_ENV=production \
     default-Server-Media-tempFolder=/app/data/tmp \
     # flagging dockerized environemnt
     PI_DOCKER=true
-# command line arg orverride the config.json with these settings
-ENTRYPOINT ["node", "./src/backend/index",  \
-  # after a extensive job (like video converting), pigallery calls gc, to clean up everthing as fast as possible
-  "--expose-gc", \
-  "--config-path=${CONFIG_FILE}"]
+
+ # after a extensive job (like video converting), pigallery calls gc, to clean up everthing as fast as possible
+ENTRYPOINT node ./src/backend/index --expose-gc  --config-path=$CONFIG_FILE
+
 EXPOSE 80
 RUN apk add --update-cache --repository https://alpine.global.ssl.fastly.net/alpine/v3.11/community/ \
     vips ffmpeg
diff --git a/docker/debian-stretch/Dockerfile.build b/docker/debian-stretch/Dockerfile.build
index bf501a1..9f0e52d 100644
--- a/docker/debian-stretch/Dockerfile.build
+++ b/docker/debian-stretch/Dockerfile.build
@@ -22,11 +22,10 @@ ENV NODE_ENV=production \
     default-Server-Media-tempFolder=/app/data/tmp \
     # flagging dockerized environemnt
     PI_DOCKER=true
-# command line arg orverride the config.json with these settings
-ENTRYPOINT ["node", "./src/backend/index",  \
-  # after a extensive job (like video converting), pigallery calls gc, to clean up everthing as fast as possible
-  "--expose-gc", \
-  "--config-path=${CONFIG_FILE}"]
+
+ # after a extensive job (like video converting), pigallery calls gc, to clean up everthing as fast as possible
+ENTRYPOINT node ./src/backend/index --expose-gc  --config-path=$CONFIG_FILE
+
 EXPOSE 80
 RUN apt-get update && apt-get install -y ffmpeg
 COPY --from=builder /app /app