diff --git a/appveyor.yml b/appveyor.yml
index 164472c9f..ed578f99d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,8 @@ install:
 build_script:
   - yarn run icon-gen
   - node build\grunt.js
+  - type package.json | findstr /v certificateSubjectName > temp.json
+  - move temp.json package.json
   - node_modules\.bin\build --em.environment=%SIGNAL_ENV% --publish=never
 
 test_script:
diff --git a/package.json b/package.json
index 793f7fada..499d3909a 100644
--- a/package.json
+++ b/package.json
@@ -75,6 +75,7 @@
     "win": {
       "asarUnpack": "node_modules/spellchecker/vendor/hunspell_dictionaries",
       "artifactName": "${productName}-Setup_${version}.${ext}",
+      "certificateSubjectName": "Signal",
       "icon": "build/icons/win/icon.ico",
       "publish": {
         "provider": "s3",