diff --git a/module_build_service/scheduler/default_modules.py b/module_build_service/scheduler/default_modules.py
index 2bced951..b5d4879e 100644
--- a/module_build_service/scheduler/default_modules.py
+++ b/module_build_service/scheduler/default_modules.py
@@ -121,7 +121,7 @@ def _get_default_modules(stream, default_modules_scm_url):
     :return: a dictionary where the keys are default module names and the values are default module
         streams
     :rtype: dict
-    :raise ValueError: if no default modules can be retrieved for that stream
+    :raise RuntimeError: if no default modules can be retrieved for that stream
     """
     scm_obj = scm.SCM(default_modules_scm_url)
     temp_dir = tempfile.mkdtemp()
@@ -167,7 +167,7 @@ def _get_default_modules(stream, default_modules_scm_url):
     except:  # noqa: E722
         msg = "Failed to retrieve the default modules"
         log.exception(msg)
-        raise ValueError(msg)
+        raise RuntimeError(msg)
     finally:
         shutil.rmtree(temp_dir)
 
diff --git a/tests/test_scheduler/test_default_modules.py b/tests/test_scheduler/test_default_modules.py
index 46d53f78..f537132e 100644
--- a/tests/test_scheduler/test_default_modules.py
+++ b/tests/test_scheduler/test_default_modules.py
@@ -183,7 +183,7 @@ def test_get_default_modules_invalid_branch(
     else:
         mock_get_rawhide.return_value = "something_else"
 
-    with pytest.raises(ValueError, match="Failed to retrieve the default modules"):
+    with pytest.raises(RuntimeError, match="Failed to retrieve the default modules"):
         default_modules._get_default_modules("f32", conf.default_modules_scm_url)
 
     mock_mmd_new.assert_not_called()