diff --git a/frigate/test/test_util.py b/frigate/test/test_util.py
new file mode 100644
index 000000000..7b5b75409
--- /dev/null
+++ b/frigate/test/test_util.py
@@ -0,0 +1,12 @@
+from unittest import TestCase
+from frigate.util import get_mb_from_abbrev
+
+
+class TestUtils(TestCase):
+    def setUp(self):
+        self.gb127 = "127G"
+        self.mb228 = "228M"
+
+    def test_mb_abbrev(self):
+        assert get_mb_from_abbrev(self.gb127) == 127000
+        assert get_mb_from_abbrev(self.mb228) == 228