diff --git a/server/site_tests/firmware_Mosys/firmware_Mosys.py b/server/site_tests/firmware_Mosys/firmware_Mosys.py
index 5ef8615..c3ae0a7 100644
--- a/server/site_tests/firmware_Mosys/firmware_Mosys.py
+++ b/server/site_tests/firmware_Mosys/firmware_Mosys.py
@@ -147,7 +147,7 @@
         # Output will be GOOGLE until launch, see crosbug/p/29755
         command = 'mosys platform vendor'
         output = self.run_cmd(command)[0]
-        p = re.compile('^\w+$')
+        p = re.compile('^[-\w]+$')
         if not p.match(output):
             raise error.TestFail('output is not a string Expect GOOGLE'
                                  ' or name of maker.')