diff --git a/builder/files/genesis-amoy.json b/builder/files/genesis-amoy.json
index a7436db935..9cd1ed7b7a 100644
--- a/builder/files/genesis-amoy.json
+++ b/builder/files/genesis-amoy.json
@@ -29,7 +29,8 @@
         "0": 128
       },
       "period": {
-        "0": 2
+        "0": 2,
+        "28899616": 1
       },
       "producerDelay": {
         "0": 4
diff --git a/internal/cli/server/chains/amoy.go b/internal/cli/server/chains/amoy.go
index d1e8c38247..a9a906b264 100644
--- a/internal/cli/server/chains/amoy.go
+++ b/internal/cli/server/chains/amoy.go
@@ -41,7 +41,8 @@ var amoyTestnet = &Chain{
 					"0": 128,
 				},
 				Period: map[string]uint64{
-					"0": 2,
+					"0":        2,
+					"28899616": 1,
 				},
 				ProducerDelay: map[string]uint64{
 					"0": 4,
diff --git a/params/config.go b/params/config.go
index 98dcccf6b6..4ee3dbbaf4 100644
--- a/params/config.go
+++ b/params/config.go
@@ -343,7 +343,8 @@ var (
 				"0": 128,
 			},
 			Period: map[string]uint64{
-				"0": 2,
+				"0":        2,
+				"28899616": 1,
 			},
 			ProducerDelay: map[string]uint64{
 				"0": 4,