diff --git a/test-tool/test_inquiry_standard.c b/test-tool/test_inquiry_standard.c
index ccc4452..76d33c7 100644
--- a/test-tool/test_inquiry_standard.c
+++ b/test-tool/test_inquiry_standard.c
@@ -34,7 +34,8 @@ test_inquiry_standard(void)
 	logging(LOG_VERBOSE, "Test of the standard INQUIRY page");
 
 	logging(LOG_VERBOSE, "Verify we can read standard INQUIRY page");
-	ret = inquiry(iscsic, tgt_lun, 0, 0, 255, &task);
+	/* 260 bytes is the maximum possible size of the standard vpd */
+	ret = inquiry(iscsic, tgt_lun, 0, 0, 260, &task);
 	CU_ASSERT_EQUAL(ret, 0);
 
 	logging(LOG_VERBOSE, "Verify we got at least 36 bytes of data");