diff --git a/packages/backend/Dockerfile b/packages/backend/Dockerfile
index 02aab45609..31231a3a4a 100644
--- a/packages/backend/Dockerfile
+++ b/packages/backend/Dockerfile
@@ -22,7 +22,7 @@ RUN tar xzf skeleton.tar.gz && rm skeleton.tar.gz
 RUN yarn install --frozen-lockfile --production --network-timeout 300000 && rm -rf "$(yarn cache dir)"
 
 # Then copy the rest of the backend bundle, along with any other files we might want.
-ADD packages/backend/dist/bundle.tar.gz app-config.yaml ./
+COPY packages/backend/dist/bundle.tar.gz app-config.yaml ./
 RUN tar xzf bundle.tar.gz && rm bundle.tar.gz
 
 CMD ["node", "packages/backend", "--config", "app-config.yaml"]