diff --git a/version_help.ps1 b/version_help.ps1
index 5b5485d..83d14a3 100644
--- a/version_help.ps1
+++ b/version_help.ps1
@@ -8,4 +8,8 @@ $commatag = $commatag -replace "[A-z]","0"
 ((Get-Content -path ./Resource.rc -Raw) -replace "FILEVERSION .*,.*,.*,.*", ("FILEVERSION " + $commatag)) | Set-Content -Path ./Resource.rc
 ((Get-Content -path ./Resource.rc -Raw) -replace "PRODUCTVERSION .*,.*,.*,.*", ("PRODUCTVERSION " + $commatag)) | Set-Content -Path ./Resource.rc
 ((Get-Content -path ./Resource.rc -Raw) -replace '"FileVersion", ".*"', ('"FileVersion", "' + $tag + '"')) | Set-Content -Path ./Resource.rc
-((Get-Content -path ./Resource.rc -Raw) -replace '"ProductVersion", ".*"', ('"ProductVersion", "' + $tag + '"')) | Set-Content -Path ./Resource.rc
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+((Get-Content -path ./Resource.rc -Raw) -replace '"ProductVersion", ".*"', ('"ProductVersion", "' + $tag + '"')) | Set-Content -Path ./Resource.rc
+
+if ((Test-Path '../Installer/Installer.nsi')) {
+    ((Get-Content -path '../Installer/Installer.nsi' -Raw) -replace '!define VERSION ".*"', ('!define VERSION "' + $tag + '"')) | Set-Content -Path '../Installer/Installer.nsi'
+}
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