diff --git a/src/pages/launcher/LauncherSourcePage.tsx b/src/pages/launcher/LauncherSourcePage.tsx
index acad3d4..3007929 100644
--- a/src/pages/launcher/LauncherSourcePage.tsx
+++ b/src/pages/launcher/LauncherSourcePage.tsx
@@ -611,7 +611,7 @@ export function LauncherSourcePage() {
         open={Boolean(diffTarget)}
         title="커밋 내역 상세"
         onClose={() => setDiffTarget(null)}
-        className="max-w-[min(98vw,1800px)]"
+        className="!max-w-[1400px]"
         bodyClassName="max-h-[70vh] px-4 py-4"
         footer={<Button variant="outline" onClick={() => setDiffTarget(null)}>닫기</Button>}
       >