diff --git a/tabby-ssh/package.json b/tabby-ssh/package.json
index 9683b5ef..a3e2932d 100644
--- a/tabby-ssh/package.json
+++ b/tabby-ssh/package.json
@@ -28,8 +28,10 @@
     "strip-ansi": "^7.0.0"
   },
   "dependencies": {
+    "@luminati-io/socksv5": "^0.0.7",
+    "node-forge": "^1.3.1",
     "run-script-os": "^1.1.3",
-    "@luminati-io/socksv5": "^0.0.7"
+    "tmp-promise": "^3.0.3"
   },
   "peerDependencies": {
     "@angular/animations": "^9.1.9",
diff --git a/tabby-ssh/src/services/ssh.service.ts b/tabby-ssh/src/services/ssh.service.ts
index 4b99769a..4944850d 100644
--- a/tabby-ssh/src/services/ssh.service.ts
+++ b/tabby-ssh/src/services/ssh.service.ts
@@ -1,5 +1,9 @@
 import * as shellQuote from 'shell-quote'
 import * as net from 'net'
+import * as fs from 'fs/promises'
+import * as tmp from 'tmp-promise'
+import * as sshpk from 'sshpk'
+import * as forge from 'node-forge'
 import socksv5 from '@luminati-io/socksv5'
 import { Duplex } from 'stream'
 import { Injectable } from '@angular/core'
@@ -45,9 +49,17 @@ export class SSHService {
             return
         }
         const args = [await this.getWinSCPURI(session.profile, undefined, session.authUsername ?? undefined)]
+
         if (session.activePrivateKey) {
-            args.push('/privatekey')
-            args.push(session.activePrivateKey)
+            const tmpFile = await tmp.file()
+            const privateKey = await sshpk.parsePrivateKey(session.activePrivateKey, 'auto')/* .toString('putty') */
+            const forgePrivateKey = forge.pki.decryptRsaPrivateKey(privateKey.toString('pem'))
+            const ppk = forge.ssh.privateKeyToPutty(forgePrivateKey)
+            await fs.writeFile(tmpFile.path, ppk)
+            args.push(`/privatekey=${tmpFile.path}`)
+            setTimeout(() => {
+                tmpFile.cleanup()
+            }, 5000)
         }
         this.platform.exec(path, args)
     }
diff --git a/tabby-ssh/yarn.lock b/tabby-ssh/yarn.lock
index bc0fdb4e..0f98010f 100644
--- a/tabby-ssh/yarn.lock
+++ b/tabby-ssh/yarn.lock
@@ -156,6 +156,18 @@ getpass@^0.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^7.1.3:
+  version "7.2.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.2.3.tgz#b8df0fb802bbfa8e89bd1d938b4e16578ed44f2b"
+  integrity sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.1.1"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
@@ -195,6 +207,18 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
+minimatch@^3.1.1:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.1.2.tgz#19cd194bfd3e428f049a70817c038d89ab4be35b"
+  integrity sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+node-forge@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-1.3.1.tgz#be8da2af243b2417d5f646a770663a92b7e9ded3"
+  integrity sha512-dPEtOeMvF9VMcYV/1Wb8CPoVAXtp6MKMlcbAt4ddqmGqUJ6fQZFXkNZNkNlfevtNkGtaSoXf/vNNNSvgrdXwtA==
+
 once@^1.3.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
@@ -212,6 +236,13 @@ pkginfo@0.3.x:
   resolved "https://registry.yarnpkg.com/pkginfo/-/pkginfo-0.3.1.tgz#5b29f6a81f70717142e09e765bbeab97b4f81e21"
   integrity sha1-Wyn2qB9wcXFC4J52W76rl7T4HiE=
 
+rimraf@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
+  integrity sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==
+  dependencies:
+    glob "^7.1.3"
+
 run-script-os@^1.1.3:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/run-script-os/-/run-script-os-1.1.6.tgz#8b0177fb1b54c99a670f95c7fdc54f18b9c72347"
@@ -253,6 +284,20 @@ strip-ansi@^7.0.0:
   dependencies:
     ansi-regex "^6.0.0"
 
+tmp-promise@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/tmp-promise/-/tmp-promise-3.0.3.tgz#60a1a1cc98c988674fcbfd23b6e3367bdeac4ce7"
+  integrity sha512-RwM7MoPojPxsOBYnyd2hy0bxtIlVrihNs9pj5SUvY8Zz1sQcQG2tG1hSr8PDxfgEB8RNKDhqbIlroIarSNDNsQ==
+  dependencies:
+    tmp "^0.2.0"
+
+tmp@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.2.1.tgz#8457fc3037dcf4719c251367a1af6500ee1ccf14"
+  integrity sha512-76SUhtfqR2Ijn+xllcI5P1oyannHNHByD80W1q447gU3mp9G9PSpGdWmjUOHRDPiHYacIk66W7ubDTuPF3BEtQ==
+  dependencies:
+    rimraf "^3.0.0"
+
 tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"