diff --git a/src/main.cpp b/src/main.cpp
index 98eff597f..0c636cdec 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1978,10 +1978,10 @@ bool LoadBlockIndex(bool fAllowNew)
 {
     if (fTestNet)
     {
-        pchMessageStart[0] = 0xfa;
-        pchMessageStart[1] = 0xbf;
-        pchMessageStart[2] = 0xb5;
-        pchMessageStart[3] = 0xda;
+        pchMessageStart[0] = 0x0b;
+        pchMessageStart[1] = 0x11;
+        pchMessageStart[2] = 0x09;
+        pchMessageStart[3] = 0x07;
         hashGenesisBlock = uint256("000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943");
     }