diff --git a/ethcore/res/authority_round.json b/ethcore/res/authority_round.json
index b4e35b29b..30df3c2be 100644
--- a/ethcore/res/authority_round.json
+++ b/ethcore/res/authority_round.json
@@ -4,7 +4,7 @@
 		"AuthorityRound": {
 			"params": {
 				"gasLimitBoundDivisor": "0x0400",
-				"stepDuration": "0x03e8",
+				"stepDuration": "1000",
 				"authorities" : [
 					"0x7d577a597b2742b498cb5cf0c26cdcd726d39e6e",
 					"0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1"