diff --git a/rskj-core/src/main/resources/config/main.conf b/rskj-core/src/main/resources/config/main.conf
index 7c169ba20a3..eec54ff7210 100644
--- a/rskj-core/src/main/resources/config/main.conf
+++ b/rskj-core/src/main/resources/config/main.conf
@@ -10,7 +10,7 @@ blockchain.config {
         papyrus200 = 2392700,
         iris300 = 3614800,
         hop400 = 4598500,
-        hop401 = -1,
+        hop401 = 4976300,
         fingerroot500 = -1
     }
 }