diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
index e1bafc53c3..c9e02eb68c 100644
--- a/cmd/utils/cmd.go
+++ b/cmd/utils/cmd.go
@@ -211,8 +211,14 @@ func ImportChain(chain *core.BlockChain, fn string) error {
 			log.Info("Skipping batch as all blocks present", "batch", batch, "first", blocks[0].Hash(), "last", blocks[i-1].Hash())
 			continue
 		}
-		if _, err := chain.InsertChain(missing); err != nil {
-			return fmt.Errorf("invalid block %d: %v", n, err)
+		if failindex, err := chain.InsertChain(missing); err != nil {
+			var failnumber uint64
+			if failindex > 0 && failindex < len(missing) {
+				failnumber = missing[failindex].NumberU64()
+			} else {
+				failnumber = missing[0].NumberU64()
+			}
+			return fmt.Errorf("invalid block %d: %v", failnumber, err)
 		}
 	}
 	return nil