diff --git a/Dockerfile b/Dockerfile
index b1d3936..a71cb79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ RUN pip install -r requirements.txt
 COPY . .
 ARG REPOSITORY_MONITOR_APP_PK_PEM
 
-RUN echo $REPOSITORY_MONITOR_APP_PK_PEM > /app/utils/repository_monitor_app_pk.pe
+RUN echo $REPOSITORY_MONITOR_APP_PK_PEM > /app/utils/repository_monitor_app_pk.pem
 
 EXPOSE 5000
 ENV FLASK_APP=app.py