diff --git a/src/main.cpp b/src/main.cpp
index da1f12cdc..c806a80a3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1436,12 +1436,12 @@ void CheckForkWarningConditions()
     if (IsInitialBlockDownload())
         return;
 
-    // If our best fork is no longer within 72 blocks (+/- 12 hours if no one mines it)
+    // If our best fork is no longer within 360 blocks (+/- 6 hours if no one mines it)
     // of our head, drop it
-    if (pindexBestForkTip && chainActive.Height() - pindexBestForkTip->nHeight >= 72)
+    if (pindexBestForkTip && chainActive.Height() - pindexBestForkTip->nHeight >= 360)
         pindexBestForkTip = NULL;
 
-    if (pindexBestForkTip || (pindexBestInvalid && pindexBestInvalid->nChainWork > chainActive.Tip()->nChainWork + (chainActive.Tip()->GetBlockWork() * 6).getuint256()))
+    if (pindexBestForkTip || (pindexBestInvalid && pindexBestInvalid->nChainWork > chainActive.Tip()->nChainWork + (chainActive.Tip()->GetBlockWork() * 30).getuint256()))
     {
         if (!fLargeWorkForkFound)
         {