diff --git a/src/main.cpp b/src/main.cpp
index 1697a17dc..7ca5775b7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1432,9 +1432,9 @@ 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 288 blocks (+/- 12 hours if no one mines it)
     // of our head, drop it
-    if (pindexBestForkTip && chainActive.Height() - pindexBestForkTip->nHeight >= 72)
+    if (pindexBestForkTip && chainActive.Height() - pindexBestForkTip->nHeight >= 288)
         pindexBestForkTip = NULL;
 
     if (pindexBestForkTip || (pindexBestInvalid && pindexBestInvalid->nChainWork > chainActive.Tip()->nChainWork + (GetBlockProof(*chainActive.Tip()) * 6)))