diff --git a/support/testing/tests/core/test_timezone.py b/support/testing/tests/core/test_timezone.py
index 0e5009494d..bf4a47fcde 100644
--- a/support/testing/tests/core/test_timezone.py
+++ b/support/testing/tests/core/test_timezone.py
@@ -22,8 +22,11 @@ class TestNoTimezone(infra.basetest.BRTest):
         boot_armv5_cpio(self.emulator, self.builddir)
         tz, _ = self.emulator.run("TZ=UTC date +%Z")
         self.assertEqual(tz[0].strip(), "UTC")
-        tz, _ = self.emulator.run("TZ=America/Los_Angeles date +%Z")
-        self.assertEqual(tz[0].strip(), "UTC")
+        # This test is Glibc specific since there is no Time Zone Database installed
+        # and other C libraries use their own rule for returning time zone name or
+        # abbreviation when TZ is empty or set with a not installed time zone data file.
+        tz, _ = self.emulator.run("TZ= date +%Z")
+        self.assertEqual(tz[0].strip(), "Universal")
 
 
 class TestAllTimezone(infra.basetest.BRTest):