diff --git a/matrix/server.py b/matrix/server.py
index 755ab89..f5278c8 100644
--- a/matrix/server.py
+++ b/matrix/server.py
@@ -688,6 +688,9 @@ class MatrixServer:
             left = True
 
         elif isinstance(event, RoomMemberInvite):
+            if is_state_event:
+                return
+
             room_buffer.invite(event.invited_user, date)
             return