diff --git a/packages/frontend/src/components/MkModal.vue b/packages/frontend/src/components/MkModal.vue
index bc026fae6e..871f8d4f62 100644
--- a/packages/frontend/src/components/MkModal.vue
+++ b/packages/frontend/src/components/MkModal.vue
@@ -369,6 +369,10 @@ defineExpose({
 		}
 	}
 
+	> .content {
+		container-type: inline-size;
+	}
+
 	&.dialog {
 		> .content {
 			position: fixed;