1 files changed, 5 insertions, 2 deletions
diff --git a/platform/darwin/test/MGLClockDirectionFormatterTests.m b/platform/darwin/test/MGLClockDirectionFormatterTests.m
index 13e12ae2f2..1b2f058d18 100644
--- a/platform/darwin/test/MGLClockDirectionFormatterTests.m
+++ b/platform/darwin/test/MGLClockDirectionFormatterTests.m
@@ -1,14 +1,17 @@
 #import <Mapbox/Mapbox.h>
 #import <XCTest/XCTest.h>
 
-static NSString * const MGLTestLocaleIdentifier = @"en-US";
-
 @interface MGLClockDirectionFormatterTests : XCTestCase
 
 @end
 
 @implementation MGLClockDirectionFormatterTests
 
+- (void)setUp {
+    // FIXME: https://github.com/mapbox/mapbox-gl-native/issues/14908
+    XCTAssertEqualObjects(NSLocale.currentLocale.localeIdentifier, @"en_US", @"Device locale must be en_US for these tests to pass.");
+}
+
 - (void)testClockDirections {
     MGLClockDirectionFormatter *shortFormatter = [[MGLClockDirectionFormatter alloc] init];
     shortFormatter.unitStyle = NSFormattingUnitStyleShort;