diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3673f72..4ec6490 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - srv: fix debug command type mixture bug where app instance argument was ignored
 
+- srv: fix certificate dump command
+
 ## v0.9.2 - 2024-12-13
 
 ### Fixed
diff --git a/src/context.js b/src/context.js
index dd246f9..4ab60cd 100644
--- a/src/context.js
+++ b/src/context.js
@@ -211,6 +211,7 @@ const _cfSsh = async (appName, { localPort, remotePort, remoteHostname, appInsta
     const [stdout, stderr] = await _run(...args);
     stderr && logger.error(stderr);
     stdout && logger.info(stdout);
+    return [stdout, stderr];
   } catch (err) {
     return fail(
       "caught error during cf ssh: %s",
diff --git a/src/submodules/serverDiagnostic.js b/src/submodules/serverDiagnostic.js
index 8eee47a..49716a8 100644
--- a/src/submodules/serverDiagnostic.js
+++ b/src/submodules/serverDiagnostic.js
@@ -57,7 +57,7 @@ const _serverDebug = async (context, { appName, appInstance } = {}) => {
   logger.info(`connect ${runtime ? runtime + " debugger" : "debugger"} on port ${localPort}`);
   logger.info(`use request header "X-Cf-App-Instance: ${cfAppGuid}:${appInstance}" to target this app instance`);
   logger.info();
-  return cfSsh({ localPort, remotePort, appInstance });
+  await cfSsh({ localPort, remotePort, appInstance });
 };
 
 const serverDebug = async (context, [appName, appInstance = "0"]) => {
@@ -90,7 +90,7 @@ const serverCertificates = async (context, [appName, appInstance = "0"]) => {
 const serverStartDebugger = async (context, [appName, appInstance = "0"]) => {
   assert(/\d+/.test(appInstance), `argument "${appInstance}" is not a valid app instance`);
   const { cfSsh } = appName ? await context.getAppNameInfoCached(appName) : await context.getSrvInfo();
-  return cfSsh({ command: "pkill --signal SIGUSR1 node", appInstance });
+  await cfSsh({ command: "pkill --signal SIGUSR1 node", appInstance });
 };
 
 module.exports = {