diff --git a/ple/games/base/pygamewrapper.py b/ple/games/base/pygamewrapper.py
index f76875a..0d984ba 100644
--- a/ple/games/base/pygamewrapper.py
+++ b/ple/games/base/pygamewrapper.py
@@ -69,7 +69,7 @@ def _setAction(self, action, last_action):
         if action is None:
             action = self.NOOP
 
-        if last_action is None:
+        if last_action is None or last_action==[]:
             last_action = self.NOOP
 
         kd = pygame.event.Event(KEYDOWN, {"key": action})