diff --git a/sticker/lib/matrix.py b/sticker/lib/matrix.py
index 6d075bf..02fa925 100644
--- a/sticker/lib/matrix.py
+++ b/sticker/lib/matrix.py
@@ -42,6 +42,7 @@ if TYPE_CHECKING:
         url: str
         info: MediaInfo
         id: str
+        msgtype: str
 else:
     MediaInfo = None
     StickerInfo = None
diff --git a/sticker/lib/util.py b/sticker/lib/util.py
index 240e8ea..20c8763 100644
--- a/sticker/lib/util.py
+++ b/sticker/lib/util.py
@@ -74,4 +74,5 @@ def make_sticker(mxc: str, width: int, height: int, size: int,
                 "mimetype": "image/png",
             },
         },
+        "msgtype": "m.sticker",
     }