diff --git a/appveyor.yml b/appveyor.yml
index ab163a261..10dbea99a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -23,8 +23,8 @@ install:
 assembly_info:
   patch: true
   file: '**\AssemblyInfo.*'
-  assembly_version: '$(appveyor_version)'
-  assembly_file_version: '$(appveyor_version)'
+  assembly_version: '$(ms_file_version)'
+  assembly_file_version: '$(ms_file_version)'
   assembly_informational_version: '$(mssemver)'
 
 before_build:
diff --git a/build/appveyor-semver.ps1 b/build/appveyor-semver.ps1
index 89688ec04..e8045e42e 100644
--- a/build/appveyor-semver.ps1
+++ b/build/appveyor-semver.ps1
@@ -10,6 +10,7 @@ $appveyor_version = $mssemver
 $Env:semver = $semver
 $Env:mssemver = $mssemver
 $Env:appveyor_version = $appveyor_version
+$Env:ms_file_version = $version.ToString()
 
 "Envrionment variable 'semver' set:" + $Env:semver
 "Envrionment variable 'mssemver' set:" + $Env:mssemver