diff --git a/sickgear/processTV.py b/sickgear/processTV.py
index 46c2e464..eba8b990 100644
--- a/sickgear/processTV.py
+++ b/sickgear/processTV.py
@@ -119,7 +119,7 @@ class ProcessTVShow(object):
         :rtype: bool
         """
         # check if it's a folder
-        if not os.path.isdir(folder):
+        if not folder or not os.path.isdir(folder):
             return False
 
         # make sure it isn't TV_DOWNLOAD_DIR