diff --git a/sabnzbd/newzbin.py b/sabnzbd/newzbin.py
index a4719d2..53f5322 100644
--- a/sabnzbd/newzbin.py
+++ b/sabnzbd/newzbin.py
@@ -111,7 +111,7 @@ class MSGIDGrabber(Thread):
                 pp = nzo.pp
                 script = nzo.script
                 cat = nzo.cat
-                if not cat:
+                if cat == '*' or not cat:
                     cat = cat_convert(newzbin_cat)
 
                 priority = nzo.priority
diff --git a/sabnzbd/rss.py b/sabnzbd/rss.py
index 6ef4747..2b67533 100644
--- a/sabnzbd/rss.py
+++ b/sabnzbd/rss.py
@@ -95,7 +95,7 @@ def clear_feed(feed):
 def notdefault(item):
     """ Return True if not None/"None"/"Default"/""
     """
-    return bool(item) and isinstance(item, str) and item.lower() not in ('default', 'none')
+    return bool(item) and isinstance(item, str) and item.lower() not in ('default', 'none', '*')
 
 
 def ListUris():
diff --git a/sabnzbd/urlgrabber.py b/sabnzbd/urlgrabber.py
index e3bc8d1..93166a7 100644
--- a/sabnzbd/urlgrabber.py
+++ b/sabnzbd/urlgrabber.py
@@ -160,7 +160,7 @@ class URLGrabber(Thread):
                 pp = future_nzo.pp
                 script = future_nzo.script
                 cat = future_nzo.cat
-                if cat is None and category:
+                if (cat is None or cat == '*') and category:
                     cat = misc.cat_convert(category)
                 priority = future_nzo.priority
                 nzbname = future_nzo.custom_name