diff --git a/tubular/scripts/frontend_utils.py b/tubular/scripts/frontend_utils.py
index 31e7cadb..4c2f7167 100755
--- a/tubular/scripts/frontend_utils.py
+++ b/tubular/scripts/frontend_utils.py
@@ -238,7 +238,7 @@ def _upload_js_sourcemaps(self, app_path):
             f'DATADOG_API_KEY={api_key}',
         ])
         command_args = ' '.join([
-            f'--service="{app_config.get('DATADOG_SERVICE')}"',
+            f'--service="{app_config.get("DATADOG_SERVICE")}"',
             f'--release-version="{version}"'
             '--minified-path-prefix="/"',  # Sourcemaps are relative to the root when deployed
         ])