diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index bbacdfda4d..e8effa1945 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -1359,7 +1359,7 @@ defineExpose({
 	}
 
 	&.danger {
-		color: #ff2a2a;
+		color: var(--MI_THEME-warn);
 	}
 }