diff --git a/web-app/django/VIM/apps/instruments/views/instrument_list.py b/web-app/django/VIM/apps/instruments/views/instrument_list.py
index b3012a90..16c14b18 100644
--- a/web-app/django/VIM/apps/instruments/views/instrument_list.py
+++ b/web-app/django/VIM/apps/instruments/views/instrument_list.py
@@ -237,6 +237,7 @@ def _build_solr_query(self, language: Language, include_facets: bool = False):
 
         params = {
             "q": main_query,
+            "defType": "edismax",
             "wt": "json",
             "facet": "true" if include_facets else "false",
             "fl": f"sid, {name_field}, {umil_label_field}, hornbostel_sachs_class_s, mimo_class_s, thumbnail_url",