diff --git a/matrix/api.py b/matrix/api.py
index 003e0c6..ea01d08 100644
--- a/matrix/api.py
+++ b/matrix/api.py
@@ -137,7 +137,7 @@ class MatrixClient:
 
         return HttpRequest(RequestType.PUT, self.host, path, content)
 
-    def room_redact(self, room_id, event_id, reason):
+    def room_redact(self, room_id, event_id, reason=None):
         # type: (str, str, str) -> HttpRequest
         query_parameters = {"access_token": self.access_token}
         content = {}
@@ -410,6 +410,27 @@ class MatrixTopicMessage(MatrixGenericMessage):
         )
 
 
+class MatrixRedactMessage(MatrixGenericMessage):
+    def __init__(self, client, room_id, event_id, reason=None):
+        self.room_id = room_id
+        self.event_id = event_id
+
+        data = {
+            "room_id": self.room_id,
+            "event_id": self.event_id
+        }
+
+        if reason:
+            data["reason"] = reason
+
+        MatrixGenericMessage.__init__(
+            self,
+            MessageType.REDACT,
+            client.room_redact,
+            data
+        )
+
+
 class MatrixUser:
     def __init__(self, name, display_name):
         self.name = name                  # type: str
diff --git a/matrix/commands.py b/matrix/commands.py
index 1d7cf59..99a5f5b 100644
--- a/matrix/commands.py
+++ b/matrix/commands.py
@@ -24,7 +24,12 @@ import matrix.globals
 from matrix.globals import W, OPTIONS, SERVERS
 
 from matrix.utf import utf8_decode
-from matrix.api import MatrixMessage, MessageType, MatrixTopicMessage
+from matrix.api import (
+    MatrixMessage,
+    MessageType,
+    MatrixTopicMessage,
+    MatrixRedactMessage
+)
 from matrix.utils import key_from_value, tags_from_line_data
 from matrix.plugin_options import DebugType
 from matrix.server import MatrixServer
@@ -341,10 +346,8 @@ def matrix_redact_command_cb(data, buffer, args):
                 W.prnt("", message)
                 return W.WEECHAT_RC_OK
 
-            message = MatrixMessage(
-                server,
-                OPTIONS,
-                MessageType.REDACT,
+            message = MatrixRedactMessage(
+                server.client,
                 room_id=room_id,
                 event_id=event_id,
                 reason=reason