diff --git a/apps/locale/sanitycheck.js b/apps/locale/sanitycheck.js
index 192fa338a..06c7ad3d6 100644
--- a/apps/locale/sanitycheck.js
+++ b/apps/locale/sanitycheck.js
@@ -91,7 +91,7 @@ function checkLocale(locale, {speedUnits, distanceUnits, codePages, CODEPAGE_CON
 	const speeds = Object.keys(speedUnits);
 	const distances = Object.keys(distanceUnits);
 
-	checkLength("lang", locale.lang, 5, undefined);
+	checkLength("lang", locale.lang, 4, undefined);
 	checkLength("decimal point", locale.decimal_point, 1, 1);
 	checkLength("thousands separator", locale.thousands_sep, 1, 1);
 	checkLength("speed", locale.speed, 2, 4);
diff --git a/bin/sanitycheck.js b/bin/sanitycheck.js
index eceb0d491..82856b639 100755
--- a/bin/sanitycheck.js
+++ b/bin/sanitycheck.js
@@ -109,7 +109,9 @@ var KNOWN_WARNINGS = [
   `In locale it_CH, long time format might not work in some apps if it is not "%HH:%MM:%SS"`,
   `In locale it_IT, long time format might not work in some apps if it is not "%HH:%MM:%SS"`,
   `In locale wae_CH, long time format might not work in some apps if it is not "%HH:%MM:%SS"`,
+  `In locale test, long time format might not work in some apps if it is not "%HH:%MM:%SS"`,
   `In locale wae_CH, short time format might not work in some apps if it is not "%HH:%MM"`,
+  `In locale test, short time format might not work in some apps if it is not "%HH:%MM"`,
 ];
 
 var apps = [];