diff --git a/enterprise/api_client/discovery.py b/enterprise/api_client/discovery.py
index 3e39ce973d..8044fdbc19 100644
--- a/enterprise/api_client/discovery.py
+++ b/enterprise/api_client/discovery.py
@@ -104,6 +104,12 @@ def get_catalog_results_from_discovery(self, content_filter_query, query_params=
         Return results from the discovery service's search/all endpoint.
         """
         api_url = self.get_api_url(self.SEARCH_ALL_ENDPOINT)
+
+        # This change allows the key list to be sent as query parameters.
+        # This is a temporary change to support catalogues with specific courses.
+        if content_filter_query.get('key'):
+            query_params['key'] = content_filter_query.get('key')
+
         response = self.client.post(api_url, data=content_filter_query, params=query_params)
         response.raise_for_status()
         response = response.json()