1 files changed, 1 insertions, 1 deletions
diff --git a/usbmon.py b/usbmon.py
index 0bbab3f..9ae4c24 100755
--- a/usbmon.py
+++ b/usbmon.py
@@ -739,7 +739,7 @@ def main(argv):
 	    raise
 
 	index += 1
-	if urb.addr not in addr:
+	if len(addr) and urb.addr not in addr:
             continue
 	if endp != -1 and urb.endp != endp:
             continue