diff --git a/riot.im/New_Vector_Ltd.pem b/riot.im/New_Vector_Ltd.pem
new file mode 100644
index 0000000..1a34127
--- /dev/null
+++ b/riot.im/New_Vector_Ltd.pem
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/scripts/electron_winSign.js b/scripts/electron_winSign.js
index fa2af06..039bdb0 100644
--- a/scripts/electron_winSign.js
+++ b/scripts/electron_winSign.js
@@ -15,7 +15,7 @@ function computeSignToolArgs(options, keyContainer) {
     args.push('/kc', keyContainer);
     // To use the hardware token (this should probably be less hardcoded)
     args.push('/csp', 'eToken Base Cryptographic Provider');
-    args.push('/sha1', '830BDA5F8007B1746DE932DDEC8A285B69413D6C');
+    args.push('/f', 'riot.im\\New_Vector_Ltd.pem');
 
     if (options.hash !== "sha1") {
         args.push("/fd", options.hash)