diff --git a/backend/Dockerfile b/backend/Dockerfile
index 3540bf1..2d95574 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -11,6 +11,7 @@ ARG GOOGLE_CLIENT_ID
 ENV GOOGLE_CLIENT_ID=$GOOGLE_CLIENT_ID
 
 ARG CLIENT_CREDENTIALS_JSON
+ENV CLIENT_CREDENTIALS_JSON=$CLIENT_CREDENTIALS_JSON
 RUN echo "$CLIENT_CREDENTIALS_JSON" > /backend/credentials.json
 
 RUN pip install -r requirements.txt