diff --git a/lib/efi_selftest/efi_selftest_textinputex.c b/lib/efi_selftest/efi_selftest_textinputex.c
index d20d8ad..de44224 100644
--- a/lib/efi_selftest/efi_selftest_textinputex.c
+++ b/lib/efi_selftest/efi_selftest_textinputex.c
@@ -116,7 +116,7 @@ static int teardown(void)
  */
 static int execute(void)
 {
-	struct efi_key_data input_key = {0,};
+	struct efi_key_data input_key = { {0, 0}, {0, 0} };
 	efi_status_t ret;
 	efi_uintn_t index;