diff --git a/config/plugins/mlnx.py b/config/plugins/mlnx.py
index 0883aa5..a579e6d 100644
--- a/config/plugins/mlnx.py
+++ b/config/plugins/mlnx.py
@@ -43,6 +43,8 @@
 
 # generate sniffer target file name include a time stamp.
 def sniffer_filename_generate(path, filename_prefix, filename_ext):
+    if not os.path.exists(path):
+        os.makedirs(path)
     time_stamp = time.strftime("%Y%m%d%H%M%S")
     filename = path + filename_prefix + time_stamp + filename_ext
     return filename