diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index e85f294d1a..07fd8b1f2b 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -393,8 +393,8 @@ public:
 
         // Deployment of DIP0003
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].bit = 3;
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nStartTime = 1540504800; // Oct 26, 2018
-        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nTimeout = 1572040800; // Oct 26, 2019
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nStartTime = 1544655600; // Dec 13th, 2018
+        consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nTimeout = 1576191600; // Dec 13th, 2019
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nWindowSize = 100;
         consensus.vDeployments[Consensus::DEPLOYMENT_DIP0003].nThreshold = 50; // 50% of 100