diff --git a/packages/client/src/scripts/mfm-tags.ts b/packages/client/src/scripts/mfm-tags.ts
index 2fadcd80ea..418bed00b3 100644
--- a/packages/client/src/scripts/mfm-tags.ts
+++ b/packages/client/src/scripts/mfm-tags.ts
@@ -21,4 +21,6 @@ export const MFM_TAGS = [
 	"sparkle",
 	"rotate",
 	"fade",
+	"small",
+	"center",
 ];