diff --git a/bin/docker-entrypoint b/bin/docker-entrypoint
index d71bc227b..c6ce23260 100755
--- a/bin/docker-entrypoint
+++ b/bin/docker-entrypoint
@@ -72,6 +72,7 @@ case "$1" in
     scheduler
     ;;
   dev_server)
+    export FLASK_DEBUG=1
     exec /app/manage.py runserver --debugger --reload -h 0.0.0.0
     ;;
   shell)