diff --git a/datagateway_api/src/search_api/query_filter_factory.py b/datagateway_api/src/search_api/query_filter_factory.py
index fd669d63..24e366a9 100644
--- a/datagateway_api/src/search_api/query_filter_factory.py
+++ b/datagateway_api/src/search_api/query_filter_factory.py
@@ -58,7 +58,7 @@ def get_query_filter(request_filter, entity_name=None, related_entity_name=None)
                     )
                 elif filter_name == "limit":
                     log.info("limit JSON object found")
-                    query_filters.append(SearchAPILimitFilter(filter_input))
+                    query_filters.append(SearchAPILimitFilter(int(filter_input)))
                 elif filter_name == "skip":
                     log.info("skip JSON object found")
                     query_filters.append(SearchAPISkipFilter(filter_input))