diff --git a/lib/ads/creative.ts b/lib/ads/creative.ts
index df3d47c..b81f41a 100644
--- a/lib/ads/creative.ts
+++ b/lib/ads/creative.ts
@@ -474,7 +474,7 @@ export function renderCreativeHtml(creative: AdCreative, clickUrl: string): stri
       a{text-decoration:none;display:block}
       .cp-ad{display:flex;align-items:center;gap:8px;width:100%;height:${h}px;
         background:${creative.bgColor};font-family:${creative.fontFamily};font-size:13px;
-        padding:0 12px;overflow:hidden;border-radius:8px;
+        padding:0 12px;overflow:hidden;border-radius:0;
         border:1px solid rgba(255,255,255,.08);border-left:3px solid ${creative.accentColor}}
     </style></head><body>
       <a class="cp-ad" href="${esc(clickUrl)}" target="_blank" rel="noopener sponsored">
@@ -526,7 +526,7 @@ export function renderCreativeHtml(creative: AdCreative, clickUrl: string): stri
     *{box-sizing:border-box;margin:0}
     a{text-decoration:none;display:block}
     .cp-ad{position:relative;width:${w}px;height:${h}px;background:${bg};font-family:${creative.fontFamily};
-      border-radius:8px;padding:${isMobile ? "8px 10px" : "14px"};overflow:hidden;
+      border-radius:0;padding:${isMobile ? "8px 10px" : "14px"};overflow:hidden;
       border:1px solid rgba(255,255,255,.08)}
   </style></head><body>
     <a class="cp-ad" href="${esc(clickUrl)}" target="_blank" rel="noopener sponsored">${rectBg}${inner}</a>
diff --git a/lib/ads/house.ts b/lib/ads/house.ts
index 9f9812f..ec0f293 100644
--- a/lib/ads/house.ts
+++ b/lib/ads/house.ts
@@ -129,7 +129,7 @@ export function renderHouseAdHtml(
       a{text-decoration:none;display:block}
       .cp-ad{display:flex;align-items:center;gap:8px;width:100%;height:${h}px;background:#070a10;
         font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:13px;padding:0 12px;
-        overflow:hidden;border-radius:8px;border:1px solid rgba(255,255,255,.08);border-left:3px solid #6ee7b7}
+        overflow:hidden;border-radius:0;border:1px solid rgba(255,255,255,.08);border-left:3px solid #6ee7b7}
     </style></head><body>
       <a class="cp-ad" href="${esc(clickUrl)}" target="_blank" rel="noopener sponsored">
         <span style="font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#6ee7b7;flex:0 0 auto">CrawlProof Ads</span>
@@ -169,7 +169,7 @@ export function renderHouseAdHtml(
   return `<!doctype html><html><head><meta charset="utf-8"><style>
     *{box-sizing:border-box;margin:0}
     a{text-decoration:none;display:block}
-    .cp-ad{position:relative;width:${w}px;height:${h}px;overflow:hidden;border-radius:8px;
+    .cp-ad{position:relative;width:${w}px;height:${h}px;overflow:hidden;border-radius:0;
       border:1px solid rgba(255,255,255,.08);background:#070a10;
       font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
     .cp-ad .bg{position:absolute;inset:0;z-index:0;background:url("${esc(img)}") center/cover no-repeat}
diff --git a/lib/ads/terminal.ts b/lib/ads/terminal.ts
index b9ec02d..d0ef31a 100644
--- a/lib/ads/terminal.ts
+++ b/lib/ads/terminal.ts
@@ -258,7 +258,7 @@ export function renderTerminalHtml(creative: AdCreative, clickUrl: string): stri
   return `<!doctype html><html><head><meta charset="utf-8"><style>
     *{box-sizing:border-box;margin:0}
     a{text-decoration:none;display:block}
-    .cp-ad{background:${creative.bgColor};color:${creative.fgColor};border-radius:8px;
+    .cp-ad{background:${creative.bgColor};color:${creative.fgColor};border-radius:0;
       border:1px solid rgba(255,255,255,.08);padding:10px 12px;overflow:auto}
     pre{margin:0;font:12px/1.35 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
       white-space:pre;color:${creative.fgColor}}