diff --git a/src/cli/daemon-cli/lifecycle.ts b/src/cli/daemon-cli/lifecycle.ts
index cd54df8035a..7fa7396d0b0 100644
--- a/src/cli/daemon-cli/lifecycle.ts
+++ b/src/cli/daemon-cli/lifecycle.ts
@@ -5,6 +5,7 @@ import { readBestEffortConfig, resolveGatewayPort } from "../../config/config.js
 import { parseCmdScriptCommandLine } from "../../daemon/cmd-argv.js";
 import { resolveGatewayService } from "../../daemon/service.js";
 import { probeGateway } from "../../gateway/probe.js";
+import { isGatewayArgv, parseProcCmdline } from "../../infra/gateway-process-argv.js";
 import { findGatewayPidsOnPortSync } from "../../infra/restart.js";
 import { defaultRuntime } from "../../runtime.js";
 import { theme } from "../../terminal/theme.js";
@@ -42,17 +43,6 @@ async function resolveGatewayLifecyclePort(service = resolveGatewayService()) {
   return portFromArgs ?? resolveGatewayPort(await readBestEffortConfig(), mergedEnv);
 }
 
-function normalizeProcArg(arg: string): string {
-  return arg.replaceAll("\\", "/").toLowerCase();
-}
-
-function parseProcCmdline(raw: string): string[] {
-  return raw
-    .split("\0")
-    .map((entry) => entry.trim())
-    .filter(Boolean);
-}
-
 function extractWindowsCommandLine(raw: string): string | null {
   const lines = raw
     .split(/\r?\n/)
@@ -68,31 +58,6 @@ function extractWindowsCommandLine(raw: string): string | null {
   return lines.find((line) => line.toLowerCase() !== "commandline") ?? null;
 }
 
-function stripExecutableExtension(value: string): string {
-  return value.replace(/\.(bat|cmd|exe)$/i, "");
-}
-
-function isGatewayArgv(args: string[]): boolean {
-  const normalized = args.map(normalizeProcArg);
-  if (!normalized.includes("gateway")) {
-    return false;
-  }
-
-  const entryCandidates = [
-    "dist/index.js",
-    "dist/entry.js",
-    "openclaw.mjs",
-    "scripts/run-node.mjs",
-    "src/index.ts",
-  ];
-  if (normalized.some((arg) => entryCandidates.some((entry) => arg.endsWith(entry)))) {
-    return true;
-  }
-
-  const exe = stripExecutableExtension(normalized[0] ?? "");
-  return exe.endsWith("/openclaw") || exe === "openclaw" || exe.endsWith("/openclaw-gateway");
-}
-
 function readGatewayProcessArgsSync(pid: number): string[] | null {
   if (process.platform === "linux") {
     try {
@@ -135,7 +100,7 @@ function resolveGatewayListenerPids(port: number): number[] {
     .filter((pid): pid is number => Number.isFinite(pid) && pid > 0)
     .filter((pid) => {
       const args = readGatewayProcessArgsSync(pid);
-      return args != null && isGatewayArgv(args);
+      return args != null && isGatewayArgv(args, { allowGatewayBinary: true });
     });
 }
 
@@ -147,7 +112,7 @@ function resolveGatewayPortFallback(): Promise<number> {
 
 function signalGatewayPid(pid: number, signal: "SIGTERM" | "SIGUSR1") {
   const args = readGatewayProcessArgsSync(pid);
-  if (!args || !isGatewayArgv(args)) {
+  if (!args || !isGatewayArgv(args, { allowGatewayBinary: true })) {
     throw new Error(`refusing to signal non-gateway process pid ${pid}`);
   }
   process.kill(pid, signal);
diff --git a/src/infra/gateway-lock.ts b/src/infra/gateway-lock.ts
index 6e6b71cf2d1..502e06dec3a 100644
--- a/src/infra/gateway-lock.ts
+++ b/src/infra/gateway-lock.ts
@@ -5,6 +5,7 @@ import net from "node:net";
 import path from "node:path";
 import { resolveConfigPath, resolveGatewayLockDir, resolveStateDir } from "../config/paths.js";
 import { isPidAlive } from "../shared/pid-alive.js";
+import { isGatewayArgv, parseProcCmdline } from "./gateway-process-argv.js";
 
 const DEFAULT_TIMEOUT_MS = 5000;
 const DEFAULT_POLL_INTERVAL_MS = 100;
@@ -46,38 +47,6 @@ export class GatewayLockError extends Error {
 
 type LockOwnerStatus = "alive" | "dead" | "unknown";
 
-function normalizeProcArg(arg: string): string {
-  return arg.replaceAll("\\", "/").toLowerCase();
-}
-
-function parseProcCmdline(raw: string): string[] {
-  return raw
-    .split("\0")
-    .map((entry) => entry.trim())
-    .filter(Boolean);
-}
-
-function isGatewayArgv(args: string[]): boolean {
-  const normalized = args.map(normalizeProcArg);
-  if (!normalized.includes("gateway")) {
-    return false;
-  }
-
-  const entryCandidates = [
-    "dist/index.js",
-    "dist/entry.js",
-    "openclaw.mjs",
-    "scripts/run-node.mjs",
-    "src/index.ts",
-  ];
-  if (normalized.some((arg) => entryCandidates.some((entry) => arg.endsWith(entry)))) {
-    return true;
-  }
-
-  const exe = normalized[0] ?? "";
-  return exe.endsWith("/openclaw") || exe === "openclaw";
-}
-
 function readLinuxCmdline(pid: number): string[] | null {
   try {
     const raw = fsSync.readFileSync(`/proc/${pid}/cmdline`, "utf8");
diff --git a/src/infra/gateway-process-argv.ts b/src/infra/gateway-process-argv.ts
new file mode 100644
index 00000000000..59f042ead88
--- /dev/null
+++ b/src/infra/gateway-process-argv.ts
@@ -0,0 +1,35 @@
+function normalizeProcArg(arg: string): string {
+  return arg.replaceAll("\\", "/").toLowerCase();
+}
+
+export function parseProcCmdline(raw: string): string[] {
+  return raw
+    .split("\0")
+    .map((entry) => entry.trim())
+    .filter(Boolean);
+}
+
+export function isGatewayArgv(args: string[], opts?: { allowGatewayBinary?: boolean }): boolean {
+  const normalized = args.map(normalizeProcArg);
+  if (!normalized.includes("gateway")) {
+    return false;
+  }
+
+  const entryCandidates = [
+    "dist/index.js",
+    "dist/entry.js",
+    "openclaw.mjs",
+    "scripts/run-node.mjs",
+    "src/index.ts",
+  ];
+  if (normalized.some((arg) => entryCandidates.some((entry) => arg.endsWith(entry)))) {
+    return true;
+  }
+
+  const exe = (normalized[0] ?? "").replace(/\.(bat|cmd|exe)$/i, "");
+  return (
+    exe.endsWith("/openclaw") ||
+    exe === "openclaw" ||
+    (opts?.allowGatewayBinary === true && exe.endsWith("/openclaw-gateway"))
+  );
+}