diff --git a/next.config.mjs b/next.config.mjs
index 6440594..5520f9f 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -19,6 +19,10 @@ const nextConfig = {
     minimumCacheTTL: 86400,
     deviceSizes: [640, 750, 828, 1080, 1200, 1920],
     imageSizes: [16, 32, 48, 64, 96, 128, 256, 384],
+    // Critical: serve optimized images INLINE, not as attachments. Default
+    // changed to 'attachment' in Next 14 for SVG XSS protection — that
+    // broke our banner ads (browsers tried to download instead of render).
+    contentDispositionType: 'inline',
   },
 
   // Performance: compress responses