diff --git a/src/tzscan/tzscan_reward_api.py b/src/tzscan/tzscan_reward_api.py
index 62fd715f..45f6ed90 100644
--- a/src/tzscan/tzscan_reward_api.py
+++ b/src/tzscan/tzscan_reward_api.py
@@ -30,7 +30,11 @@ def get_rewards_for_cycle_map(self, cycle):
         else:
             lost_rewards_denounciation = int(root["lost_rewards_denounciation"])
 
-        lost_fees_denounciation = int(root["lost_fees_denounciation_baking"])+int(root["lost_fees_denounciation_endorsement"])
+        if "lost_fees_denounciation_baking" in root:
+            lost_fees_denounciation = int(root["lost_fees_denounciation_baking"])+int(root["lost_fees_denounciation_endorsement"])
+        else:
+            lost_fees_denounciation = int(root["lost_fees_denounciation"])
+
         fees = int(root["fees"])
 
         total_reward_amount = (blocks_rewards + endorsements_rewards + future_blocks_rewards +