diff --git a/Tribler/Core/CreditMining/CreditMiningManager.py b/Tribler/Core/CreditMining/CreditMiningManager.py
index 3cc980f32f6..f921eb8d552 100644
--- a/Tribler/Core/CreditMining/CreditMiningManager.py
+++ b/Tribler/Core/CreditMining/CreditMiningManager.py
@@ -65,7 +65,7 @@ def __init__(self, session, settings=None, policies=None):
         self.num_checkpoints = len(glob(os.path.join(self.session.get_downloads_pstate_dir(), '*.state')))
 
         def add_sources(_):
-            for source in self.session.get_credit_mining_sources():
+            for source in self.session.config.get_credit_mining_sources():
                 self.add_source(source)
 
         self.session_ready = Deferred()