diff --git a/config/protocol.testnet.yml b/config/protocol.testnet.yml
index 1668e7c93..bbe525884 100644
--- a/config/protocol.testnet.yml
+++ b/config/protocol.testnet.yml
@@ -1,5 +1,5 @@
 ProtocolConfiguration:
-  Magic: 894448462
+  Magic: 1951352142
   MaxTraceableBlocks: 2102400
   SecondsPerBlock: 15
   MemPoolSize: 50000
diff --git a/pkg/config/netmode/netmode.go b/pkg/config/netmode/netmode.go
index 226d6ebc2..5b77244a4 100644
--- a/pkg/config/netmode/netmode.go
+++ b/pkg/config/netmode/netmode.go
@@ -6,7 +6,7 @@ const (
 	// MainNet contains magic code used in the NEO main official network.
 	MainNet Magic = 0x004f454e // 5195086
 	// TestNet contains magic code used in the NEO testing network.
-	TestNet Magic = 0x3550334E // 894448462
+	TestNet Magic = 0x744f454e // 1951352142
 	// PrivNet contains magic code usually used for NEO private networks.
 	PrivNet Magic = 56753 // docker privnet
 	// UnitTestNet is a stub magic code used for testing purposes.