diff --git a/.github/workflows/windows-build-nsis.yml b/.github/workflows/windows-build-nsis.yml
index a8d78d55..024e3486 100644
--- a/.github/workflows/windows-build-nsis.yml
+++ b/.github/workflows/windows-build-nsis.yml
@@ -54,13 +54,24 @@ jobs:
         # Display current directory structure
         dir
         
-        # Run NSIS compiler
+        # Prepare version file path
         $versionContent = Get-Content version.txt -Raw
         Write-Host "Version from file: $versionContent"
-        & "C:\Program Files (x86)\NSIS\makensis.exe" /DVERSIONFILE="version.txt" distribution/windows/installer/huntarr_installer.nsi
+        $AbsVersionFile = Join-Path -Path $PWD.Path -ChildPath "version.txt"
+        Write-Host "Absolute path for VERSIONFILE: $AbsVersionFile"
+
+        # Prepare arguments for makensis.exe
+        $MakensisArgs = @(
+            "/DVERSIONFILE=${AbsVersionFile}",
+            "distribution\windows\installer\huntarr_installer.nsi"
+        )
+        
+        # Run NSIS compiler
+        Write-Host "Running makensis.exe with arguments: $MakensisArgs"
+        & "C:\Program Files (x86)\NSIS\makensis.exe" $MakensisArgs
         
         # Check if installer was created
-        $installerPath = "installer/Huntarr_Setup.exe"
+        $installerPath = "installer\Huntarr_Setup.exe"
         if (Test-Path $installerPath) {
             Write-Host "Installer created successfully at $installerPath"
         } else {
diff --git a/distribution/windows/installer/huntarr_installer.nsi b/distribution/windows/installer/huntarr_installer.nsi
index 7af0d96c..00b12d7f 100644
--- a/distribution/windows/installer/huntarr_installer.nsi
+++ b/distribution/windows/installer/huntarr_installer.nsi
@@ -4,18 +4,35 @@
 !include "FileFunc.nsh"
 !include "LogicLib.nsh"
 
-; Set a default version in case the file read fails
-!define DEFAULT_VERSION "1.0.0"
+!verbose 4 ; Increase verbosity for debugging defines
+!define DEFAULT_VERSION "1.0.0-default"
 
-; Try to read version from file
 !ifdef VERSIONFILE
-  !define /file VERSION "${VERSIONFILE}"
-  !searchreplace VERSION "${VERSION}" "\n" ""
-  !searchreplace VERSION "${VERSION}" "\r" ""
+  !echo "VERSIONFILE is defined by command line as: '${VERSIONFILE}'"
+  !if ${FileExists} "${VERSIONFILE}"
+    !define /file VERSION "${VERSIONFILE}"
+    !searchreplace VERSION "${VERSION}" "\n" ""
+    !searchreplace VERSION "${VERSION}" "\r" ""
+    !echo "Successfully read version '${VERSION}' from '${VERSIONFILE}'"
+  !else
+    !error "VERSIONFILE was defined as '${VERSIONFILE}', but this file was NOT FOUND! Using default version."
+    !define VERSION "${DEFAULT_VERSION}" ; Fallback
+  !endif
 !else
-  !define VERSION "${DEFAULT_VERSION}"
+  !warning "VERSIONFILE was NOT defined on the command line. Trying relative 'version.txt'."
+  !if ${FileExists} "version.txt" ; Relative to script path, or project root if lucky
+    !define /file VERSION "version.txt"
+    !searchreplace VERSION "${VERSION}" "\n" ""
+    !searchreplace VERSION "${VERSION}" "\r" ""
+    !echo "Successfully read version '${VERSION}' from relative 'version.txt'"
+  !else
+    !warning "Relative 'version.txt' also not found. Using default version '${DEFAULT_VERSION}'."
+    !define VERSION "${DEFAULT_VERSION}"
+  !endif
 !endif
 
+!echo "Final VERSION defined as: '${VERSION}'"
+
 ; Application details
 !define APPNAME "Huntarr"
 !define EXENAME "Huntarr.exe"