diff --git a/src/node.ts b/src/node.ts
index e01a1f6..e0839b5 100644
--- a/src/node.ts
+++ b/src/node.ts
@@ -1043,7 +1043,9 @@ async function main(): Promise<void> {
       const extraTag = extra.length > 0 ? ` (${extra.join(' ')})` : '';
       const tag = e.info?.compressed
         ? `compressed ${e.info.origChars}ch → ${e.info.imageCount}img/${e.info.imageBytes}B${extraTag}`
-        : (e.info?.reason ?? '');
+        : e.info?.reason
+          ? `savings:skip(${e.info.reason})`
+          : '';
       const cacheRead = e.usage?.cache_read_input_tokens ?? 0;
       const inputTokens = e.usage?.input_tokens ?? 0;
       const usageTag =
diff --git a/src/worker.ts b/src/worker.ts
index dade6ec..b9d8058 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -148,7 +148,9 @@ export default {
         // shows up in `wrangler tail`).
         const tag = e.info?.compressed
           ? `compressed ${e.info.origChars}ch → ${e.info.imageCount}img/${e.info.imageBytes}B`
-          : (e.info?.reason ?? '');
+          : e.info?.reason
+            ? `savings:skip(${e.info.reason})`
+            : '';
         const cacheRead = e.usage?.cache_read_input_tokens ?? 0;
         console.log(`${e.method} ${e.path} → ${e.status} (${e.durationMs}ms) ${tag} cache_read=${cacheRead}`);