diff --git a/drivers/firmware/efi/libstub/file.c b/drivers/firmware/efi/libstub/file.c
index 933536c5236a..2005e33b33d5 100644
--- a/drivers/firmware/efi/libstub/file.c
+++ b/drivers/firmware/efi/libstub/file.c
@@ -46,9 +46,7 @@ static efi_status_t efi_open_file(efi_file_protocol_t *volume,
 
 	status = volume->open(volume, &fh, fi->filename, EFI_FILE_MODE_READ, 0);
 	if (status != EFI_SUCCESS) {
-		efi_err("Failed to open file: ");
-		efi_char16_puts(fi->filename);
-		efi_puts("\n");
+		efi_err("Failed to open file: %ls\n", fi->filename);
 		return status;
 	}