diff --git a/scripts/e2e/lib/kitchen-sink-plugin/assertions.mjs b/scripts/e2e/lib/kitchen-sink-plugin/assertions.mjs
index 6562982e1bbb..129670f69226 100644
--- a/scripts/e2e/lib/kitchen-sink-plugin/assertions.mjs
+++ b/scripts/e2e/lib/kitchen-sink-plugin/assertions.mjs
@@ -109,7 +109,11 @@ function scanLogs() {
     /\blevel["']?\s*:\s*["']error["']/iu,
     /\[(?:error|ERROR)\]/u,
   ];
-  const allow = [/0 errors?/iu, /expected no diagnostics errors?/iu, /diagnostics errors?:\s*$/iu];
+  const allow = [
+    /^\s*0 errors?\s*$/iu,
+    /^\s*expected no diagnostics errors?\s*$/iu,
+    /^\s*diagnostics errors?:\s*$/iu,
+  ];
   const findings = [];
   let omittedFindings = false;
   for (const file of files) {
diff --git a/test/scripts/kitchen-sink-plugin-assertions.test.ts b/test/scripts/kitchen-sink-plugin-assertions.test.ts
index 2f2c6f60f129..58d9ac440e46 100644
--- a/test/scripts/kitchen-sink-plugin-assertions.test.ts
+++ b/test/scripts/kitchen-sink-plugin-assertions.test.ts
@@ -276,6 +276,28 @@ describe("kitchen-sink plugin assertions", () => {
     }
   });
 
+  it("does not allow dirty error lines just because they mention zero errors", () => {
+    const parent = mkdtempSync(path.join(tmpdir(), "openclaw-kitchen-sink-scan-"));
+    const home = path.join(parent, "home");
+    const scratchRoot = path.join(parent, "scratch");
+    try {
+      mkdirSync(home, { recursive: true });
+      mkdirSync(scratchRoot, { recursive: true });
+      writeFileSync(
+        path.join(scratchRoot, "dirty.log"),
+        "[ERROR] 0 errors reported but fatal state remained\n",
+      );
+
+      const result = runScanLogs({ home, scratchRoot });
+
+      expect(result.status).not.toBe(0);
+      expect(`${result.stdout}\n${result.stderr}`).toContain("unexpected error-like log lines");
+      expect(`${result.stdout}\n${result.stderr}`).toContain("fatal state remained");
+    } finally {
+      rmSync(parent, { force: true, recursive: true });
+    }
+  });
+
   it("bounds repeated kitchen-sink log scan findings", () => {
     const parent = mkdtempSync(path.join(tmpdir(), "openclaw-kitchen-sink-scan-"));
     const home = path.join(parent, "home");