diff --git a/src/chainparams.h b/src/chainparams.h
index ffeb1f30a2..bbb25090ad 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -25,6 +25,9 @@ struct CCheckpointData {
     MapCheckpoints mapCheckpoints;
 
     int GetHeight() const {
+        if(mapCheckpoints.empty())
+            return 0;
+        
         const auto& final_checkpoint = mapCheckpoints.rbegin();
         return final_checkpoint->first /* height */;
     }