diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 51ec941c9..268d872b2 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -1055,7 +1055,7 @@ defineExpose({
 
 	&.modal {
 		width: 100%;
-		max-width: 520px;
+		max-width: 750px;
 	}
 }