diff --git a/tests/device_tests/config.py b/tests/device_tests/config.py
index 38e7e437f..006aa376c 100644
--- a/tests/device_tests/config.py
+++ b/tests/device_tests/config.py
@@ -42,13 +42,13 @@ except:
 
 
 def pipe_exists(path):
-    import os
+    import os, stat
     try:
-        os.stat(path)
-        return True
+        return stat.S_ISFIFO(os.stat(path).st_mode)
     except:
         return False
 
+
 if HID_ENABLED:
 
     devices = HidTransport.enumerate()