diff --git a/blockchain/validate.go b/blockchain/validate.go
index 74f89a80..238f3f91 100644
--- a/blockchain/validate.go
+++ b/blockchain/validate.go
@@ -3820,7 +3820,7 @@ func (b *BlockChain) checkConnectBlock(node *blockNode, block, parent *dcrutil.B
 	// node).  This is a huge optimization because running the scripts is the
 	// most time consuming portion of block handling.
 	runScripts := !b.noVerify
-	if b.isAssumeValidAncestor(node) {
+	if b.bulkImportMode || b.isAssumeValidAncestor(node) {
 		runScripts = false
 	}
 	var scriptFlags txscript.ScriptFlags