diff --git a/kernel/model/transaction.go b/kernel/model/transaction.go
index e635ef759..48adc041b 100644
--- a/kernel/model/transaction.go
+++ b/kernel/model/transaction.go
@@ -49,9 +49,11 @@ func IsFoldHeading(transactions *[]*Transaction) bool {
 }
 
 func IsUnfoldHeading(transactions *[]*Transaction) bool {
-	if 1 == len(*transactions) && 1 == len((*transactions)[0].DoOperations) {
-		if op := (*transactions)[0].DoOperations[0]; "unfoldHeading" == op.Action {
-			return true
+	for _, tx := range *transactions {
+		for _, op := range tx.DoOperations {
+			if "unfoldHeading" == op.Action {
+				return true
+			}
 		}
 	}
 	return false