diff --git a/errbot/__init__.py b/errbot/__init__.py
index ce6f5cb23..1d1a407cb 100644
--- a/errbot/__init__.py
+++ b/errbot/__init__.py
@@ -566,7 +566,7 @@ def some_filter(self, msg, cmd, args, dry_run):
                command is authorized or not.
             \"\"\"
             # If wishing to block the incoming command:
-            return None, None, None
+            return None, cmd, args
             # Otherwise pass data through to the (potential) next filter:
             return msg, cmd, args
 
diff --git a/errbot/core.py b/errbot/core.py
index 390e2ef7b..6c8ffe30e 100644
--- a/errbot/core.py
+++ b/errbot/core.py
@@ -426,7 +426,7 @@ def _process_command_filters(
             for cmd_filter in self.command_filters:
                 msg, cmd, args = cmd_filter(msg, cmd, args, dry_run)
                 if msg is None:
-                    return None, None, None
+                    return None, cmd, args
             return msg, cmd, args
         except Exception:
             log.exception(
@@ -440,7 +440,7 @@ def _process_command(self, msg, cmd, args, match):
         # first it must go through the command filters
         msg, cmd, args = self._process_command_filters(msg, cmd, args, False)
         if msg is None:
-            log.info("Command %s blocked or deferred.", cmd)
+            log.info("Command \"%s\" blocked or deferred.", cmd)
             return
 
         frm = msg.frm