diff --git a/pkg/da/data_availability_header.go b/pkg/da/data_availability_header.go
index 7e9f966bd9..e120f0fcd9 100644
--- a/pkg/da/data_availability_header.go
+++ b/pkg/da/data_availability_header.go
@@ -150,7 +150,7 @@ func (dah *DataAvailabilityHeader) ValidateBasic() error {
 			len(dah.ColumnRoots),
 		)
 	}
-	if err := validateHash(dah.hash); err != nil {
+	if err := validateHash(dah.Hash()); err != nil {
 		return fmt.Errorf("wrong hash: %v", err)
 	}