diff --git a/distribution/windows/build.ps1 b/distribution/windows/build.ps1
index c579e7b90d..e53b36e516 100644
--- a/distribution/windows/build.ps1
+++ b/distribution/windows/build.ps1
@@ -1,2 +1,3 @@
+$path = Split-Path $Script:MyInvocation.MyCommand.Path
 Write-Output "Building Windows Installer (NSIS script)";
-makensis /DVERSION_INCLUDE=win32.txt install.nsi > win32.log;
\ No newline at end of file
+makensis /DVERSION_INCLUDE=$path\win32.txt $path\install.nsi > $path\win32.log;
\ No newline at end of file