diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -5941,7 +5941,7 @@
                    (nNow - pindex->GetBlockTime()) * data.dTxRate;
     }
 
-    return pindex->GetChainTxCount() / fTxTotal;
+    return std::min<double>(pindex->GetChainTxCount() / fTxTotal, 1.0);
 }
 
 class CMainCleanup {