diff --git a/readthedocs/integrations/admin.py b/readthedocs/integrations/admin.py
index 1b27ed8f5c8..0d02eb145de 100644
--- a/readthedocs/integrations/admin.py
+++ b/readthedocs/integrations/admin.py
@@ -89,6 +89,7 @@ class IntegrationAdmin(admin.ModelAdmin):
     instead just links to the queryset.
     """
 
+    raw_id_fields = ('project',)
     search_fields = ('project__slug', 'project__name')
     readonly_fields = ['exchanges']