diff --git a/src/repository.c b/src/repository.c
index 9f9893a..c2c8b94 100644
--- a/src/repository.c
+++ b/src/repository.c
@@ -497,6 +497,9 @@ Repository_config__get__(Repository *self)
 
         py_config->config = config;
         self->config = (PyObject*)py_config;
+        // We need 2 refs here.
+        // One is returned, one is keep internally.
+        Py_INCREF(self->config);
     } else {
         Py_INCREF(self->config);
     }