diff --git a/src/validation.cpp b/src/validation.cpp
index bd9640e7498..7a0db1c50ae 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3189,7 +3189,7 @@ bool ProcessNewBlock(const CChainParams& chainparams, const std::shared_ptr<cons
         CheckBlockIndex(chainparams.GetConsensus());
         if (!ret) {
             GetMainSignals().BlockChecked(*pblock, state);
-            return error("%s: AcceptBlock FAILED", __func__);
+            return error("%s: AcceptBlock FAILED (%s)", __func__, state.GetDebugMessage());
         }
     }