diff --git a/config/protocol.mainnet.yml b/config/protocol.mainnet.yml
index cdfb0786f..eddcc750a 100644
--- a/config/protocol.mainnet.yml
+++ b/config/protocol.mainnet.yml
@@ -37,7 +37,7 @@ ProtocolConfiguration:
   VerifyTransactions: false
   P2PSigExtensions: false
   Hardforks:
-    HF_Aspidochelone: 2000000
+    HF_Aspidochelone: 1730000
   NativeActivations:
     ContractManagement: [0]
     StdLib: [0]
diff --git a/config/protocol.testnet.yml b/config/protocol.testnet.yml
index b061181f2..87fb8bfaf 100644
--- a/config/protocol.testnet.yml
+++ b/config/protocol.testnet.yml
@@ -39,6 +39,8 @@ ProtocolConfiguration:
   VerifyBlocks: true
   VerifyTransactions: false
   P2PSigExtensions: false
+  Hardforks:
+    HF_Aspidochelone: 210000
   NativeActivations:
     ContractManagement: [0]
     StdLib: [0]