diff --git a/tests/foreman/api/test_http_proxy.py b/tests/foreman/api/test_http_proxy.py
index 0b4446069bb..f92e7e7d123 100644
--- a/tests/foreman/api/test_http_proxy.py
+++ b/tests/foreman/api/test_http_proxy.py
@@ -99,8 +99,12 @@ def test_positive_end_to_end(setup_http_proxy, module_target_sat, module_manifes
     assert repo_2.http_proxy_policy == 'global_default_http_proxy'
 
     # Update to selected_http_proxy
-    repo_2.http_proxy_policy = 'none'
-    repo_2.update(['http_proxy_policy'])
+    module_target_sat.api.Repository(
+        id=repo_2.id,
+        http_proxy_policy='none',
+        http_proxy_id=None,
+    ).update()
+    repo_2 = repo_2.read()
     assert repo_2.http_proxy_policy == 'none'
 
     # test scenario for yum type repo discovery.