diff --git a/scripts/build.ps1 b/scripts/build.ps1
index 6127dfa7..3b00848b 100644
--- a/scripts/build.ps1
+++ b/scripts/build.ps1
@@ -22,9 +22,13 @@ try {
     '--additional-hooks-dir=Pyinstaller/hooks',
     "--add-data=pyproject.toml$([System.IO.Path]::PathSeparator).",
     '--icon=res/icon.ico')
-  if (-not $WineCompat) {
+  # Don't UPX compress if trying to be Wine Compatible, or on Linux (handled manually below)
+  if (-not $WineCompat -and -not $IsLinux) {
     $arguments += '--upx-dir=scripts/.upx'
   }
+  else {
+    $arguments += '--noupx'
+  }
   if ($SupportsSplashScreen) {
     # https://github.com/pyinstaller/pyinstaller/issues/9022
     $arguments += @('--splash=res/splash.png')
@@ -43,7 +47,7 @@ try {
       '--strip')
   }
 
-  Write-Output $arguments
+  Write-Output "pyinstaller $($arguments -join ' ')"
   & uv run --active pyinstaller @arguments
 
   if ($IsLinux) {
@@ -53,6 +57,13 @@ try {
     Move-Item build/AppDir/AutoSplit/_internal build/AppDir/_internal
     Remove-Item build/AppDir/AutoSplit
 
+    # PyInstaller's --strip breaks ELF load command alignment in all of numpy's vendored libs.
+    # Restore all original unstripped libraries from site-packages.
+    $numpyLibsSrc = uv run --active python -c "import numpy, pathlib; print(pathlib.Path(numpy.__file__).parent.parent / 'numpy.libs')"
+    if (Test-Path $numpyLibsSrc) {
+      Copy-Item -Path "$numpyLibsSrc/*" -Destination 'build/AppDir/_internal/numpy.libs/' -Force
+    }
+
     if ([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture -eq 'X64') {
       # Technically UPX works for Linux executables, but trying to compress .so can still result in Segmentation fault
       # https://github.com/orgs/pyinstaller/discussions/8922#discussioncomment-13185670
@@ -64,7 +75,9 @@ try {
           $_.Directory -like '*/AppDir/_internal' -or
           # _internal/PySide6/Qt/*/*.so* causes Segmentation fault
           # _internal/PySide6/Qt/plugins/*/*.so* breaks style
-          $_.Directory -like '*/AppDir/_internal/PySide6/Qt/*'
+          $_.Directory -like '*/AppDir/_internal/PySide6/Qt/*' -or
+          # numpy.libs: --strip breaks ELF load alignment in all bundled libs (restored below) — skip UPX to avoid re-breaking them
+          $_.Directory -like '*/AppDir/_internal/numpy.libs'
         )
       }
       try {