diff --git a/tests/util/test_comm_helpers.py b/tests/util/test_comm_helpers.py
index a8870c28..762ac728 100644
--- a/tests/util/test_comm_helpers.py
+++ b/tests/util/test_comm_helpers.py
@@ -237,3 +237,12 @@ class TestCommHelpers(unittest.TestCase):
 		result = canonicalize_temperatures(parsed, current)
 		self.assertDictEqual(expected, result)
 
+	@data(
+		("KEY1:Value 1 FIRMWARE_NAME:Some Firmware With Spaces KEY2:Value 2",
+		 dict(KEY1="Value 1", KEY2="Value 2", FIRMWARE_NAME="Some Firmware With Spaces"))
+	)
+	@unpack
+	def test_parse_firmware_line(self, line, expected):
+		from octoprint.util.comm import parse_firmware_line
+		result = parse_firmware_line(line)
+		self.assertDictEqual(expected, result)