diff --git a/ethcore/res/ethereum/classic.json b/ethcore/res/ethereum/classic.json
index 9c189e8d8..a08dde33b 100644
--- a/ethcore/res/ethereum/classic.json
+++ b/ethcore/res/ethereum/classic.json
@@ -10,14 +10,15 @@
 				"durationLimit": "0x0d",
 				"blockReward": "0x4563918244F40000",
 				"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
-				"homesteadTransition": "0x118c30",
-				"eip150Transition": "0x2625a0",
+				"homesteadTransition": 1150000,
+				"eip150Transition": 2500000,
 				"eip155Transition": 3000000,
 				"eip160Transition": 3000000,
+				"ecip1010PauseTransition": 3000000,
+				"ecip1010ContinueTransition": 5000000,
+
 				"eip161abcTransition": "0x7fffffffffffffff",
-				"eip161dTransition": "0x7fffffffffffffff",
-				"ecip1010PauseTransition": "0x2dc6c0",
-				"ecip1010ContinueTransition": "0x4c4b40"
+				"eip161dTransition": "0x7fffffffffffffff"
 			}
 		}
 	},