diff --git a/apps/authentication/api/v1/api.py b/apps/authentication/api/v1/api.py
index 52ac86b..81b4ca6 100644
--- a/apps/authentication/api/v1/api.py
+++ b/apps/authentication/api/v1/api.py
@@ -301,7 +301,7 @@ class OrganizationViewSet(ModelViewSet, DynamicSearchMixin):
             queryset = self.queryset.filter(province=request.user.province)
 
         if 'exclude' in request.GET.keys():
-            queryset = self.queryset.filter(type__key=request.GET['exclude'])
+            queryset = queryset.exclude(type__key=request.GET['exclude'])
 
         filtered_query = self.filter_query(queryset)