diff --git a/Dockerfile b/Dockerfile
index bd1c218..dc714d4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ RUN npx openapi-generator-cli generate -i ./openapi.yaml -g typescript-angular -
 
 ARG VITE_OR_ANGULAR_BACKEND_URL
 ENV BACKEND_URL=$VITE_OR_ANGULAR_BACKEND_URL
-RUN sed -i "s|https://API_URL_PLACEHOLDER|${BACKEND_URL}|g" src/environments/environment.staging.ts
+RUN sed -i "s|https://API_URL_PLACEHOLDER|${BACKEND_URL}|g" eeg_frontend/src/environments/environment.staging.ts
 
 COPY eeg_frontend/ ./
 RUN npm run build -- --configuration staging