diff --git a/src/main.cpp b/src/main.cpp
index 9c7eece56d2..0f8c4208e47 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2724,7 +2724,7 @@ bool LoadBlockIndex()
         pchMessageStart[1] = 0x11;
         pchMessageStart[2] = 0x09;
         pchMessageStart[3] = 0x07;
-        hashGenesisBlock = uint256("000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943");
+        hashGenesisBlock = uint256("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943");
     }
 
     //