diff --git a/couchpotato/core/plugins/suggestion/main.py b/couchpotato/core/plugins/suggestion/main.py
index 2cedeba..a7d0f82 100644
--- a/couchpotato/core/plugins/suggestion/main.py
+++ b/couchpotato/core/plugins/suggestion/main.py
@@ -73,7 +73,7 @@ class Suggestion(Plugin):
     def updateSuggestionCache(self, ignore_imdb = None, limit = 6, ignored = None, seen = None):
 
         # Combine with previous suggestion_cache
-        cached_suggestion = self.getCache('suggestion_cached')
+        cached_suggestion = self.getCache('suggestion_cached') or []
         new_suggestions = []
         ignored = [] if not ignored else ignored
         seen = [] if not seen else seen