diff --git a/src/main.cpp b/src/main.cpp
index 77acc17ba..3835ee966 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3268,7 +3268,7 @@ bool CheckBlock(int32_t height,CBlockIndex *pindex,const CBlock& block, CValidat
     {
         if ( komodo_validate_interest(tx,block.nTime) < 0 )
         {
-            fprintf(stderr,"CheckBlock(%d) %d, %u: komodo_validate_interest failure blocksize.%d\n",height,pindex!=0?(int32_t)pindex->nHeight:0,pindex!=0?(int32_t)pindex->nTime:0,(int32_t)block.vtx.size());
+            fprintf(stderr,"CheckBlock(%d:%d) %d, %u: komodo_validate_interest failure blocksize.%d\n",height,komodo_block2height((Cblock *)&block),pindex!=0?(int32_t)pindex->nHeight:0,pindex!=0?(int32_t)pindex->nTime:0,(int32_t)block.vtx.size());
             return error("CheckBlock: komodo_validate_interest failed");
         }
         if (!CheckTransaction(tx, state, verifier))