diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3e323d0..a88f8c4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,9 +23,9 @@ jobs:
             build_command: npx electron-builder --publish never --win --x64
             artifact_name: windows-x64-artifacts
           - os: windows-latest
-            display_name: Windows ia32
+            display_name: Windows win32
             build_command: npx electron-builder --publish never --win --ia32
-            artifact_name: windows-ia32-artifacts
+            artifact_name: windows-win32-artifacts
           - os: ubuntu-latest
             display_name: Linux x64
             build_command: npx electron-builder --publish never --linux --x64
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6b34f1d..56abe88 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,9 +29,9 @@ jobs:
             build_command: npx electron-builder --publish never --win --x64
             artifact_name: windows-x64-artifacts
           - os: windows-latest
-            display_name: Windows ia32
+            display_name: Windows win32
             build_command: npx electron-builder --publish never --win --ia32
-            artifact_name: windows-ia32-artifacts
+            artifact_name: windows-win32-artifacts
           - os: ubuntu-latest
             display_name: Linux x64
             build_command: npx electron-builder --publish never --linux --x64
@@ -121,26 +121,30 @@ jobs:
             fi
           fi
 
-          # --- Windows (ia32) ---
-          if [[ -d artifacts/windows-ia32-artifacts ]]; then
-            for file in artifacts/windows-ia32-artifacts/*.exe; do
+          # --- Windows (win32) ---
+          if [[ -d artifacts/windows-win32-artifacts ]]; then
+            for file in artifacts/windows-win32-artifacts/*.exe; do
               base="$(basename "$file")"
               target="$base"
-              if [[ "$base" != *-ia32.exe ]]; then
-                target="${base%.exe}-ia32.exe"
+              if [[ "$base" == *-ia32* ]]; then
+                target="${base//-ia32/-win32}"
+              elif [[ "$base" != *-win32.exe ]]; then
+                target="${base%.exe}-win32.exe"
               fi
               cp "$file" "release_upload/$target"
             done
-            for file in artifacts/windows-ia32-artifacts/*.exe.blockmap; do
+            for file in artifacts/windows-win32-artifacts/*.exe.blockmap; do
               base="$(basename "$file")"
               target="$base"
-              if [[ "$base" != *-ia32.exe.blockmap ]]; then
-                target="${base/.exe/-ia32.exe}"
+              if [[ "$base" == *-ia32* ]]; then
+                target="${base//-ia32/-win32}"
+              elif [[ "$base" != *-win32.exe.blockmap ]]; then
+                target="${base/.exe/-win32.exe}"
               fi
               cp "$file" "release_upload/$target"
             done
-            if [[ -f artifacts/windows-ia32-artifacts/latest.yml ]]; then
-              cp artifacts/windows-ia32-artifacts/latest.yml release_upload/latest-ia32.yml
+            if [[ -f artifacts/windows-win32-artifacts/latest.yml ]]; then
+              cp artifacts/windows-win32-artifacts/latest.yml release_upload/latest-win32.yml
             fi
           fi
 
diff --git a/tests/autoUpdateHelpers.test.ts b/tests/autoUpdateHelpers.test.ts
index 2763b5e..f2672fe 100644
--- a/tests/autoUpdateHelpers.test.ts
+++ b/tests/autoUpdateHelpers.test.ts
@@ -13,7 +13,7 @@ import {
 
 test('detectArchFromFileName recognises common Windows architectures', () => {
   assert.equal(detectArchFromFileName('app-setup-x64.exe'), 'x64');
-  assert.equal(detectArchFromFileName('app-setup-ia32.exe'), 'ia32');
+  assert.equal(detectArchFromFileName('app-setup-win32.exe'), 'ia32');
   assert.equal(detectArchFromFileName('APP-X86.msi'), 'ia32');
   assert.equal(detectArchFromFileName('build-aarch64.zip'), 'arm64');
   assert.equal(detectArchFromFileName('installer-armhf.tar.gz'), 'armv7l');
@@ -50,7 +50,7 @@ const createUpdateInfo = (overrides: Partial<UpdateDownloadedEvent>): UpdateDown
 test('extractCandidateNamesFromUpdateInfo aggregates filenames from multiple sources', () => {
   const info = createUpdateInfo({
     files: [
-      { url: 'https://example.com/app-ia32.exe' } as any,
+      { url: 'https://example.com/app-win32.exe' } as any,
       { url: 'https://example.com/app-x64.exe?raw=1' } as any,
     ],
     path: '/tmp/legacy/App-x64.exe',
@@ -59,11 +59,11 @@ test('extractCandidateNamesFromUpdateInfo aggregates filenames from multiple sou
 
   const candidates = extractCandidateNamesFromUpdateInfo(info, '.exe');
   const sorted = [...candidates].sort();
-  assert.deepEqual(sorted, ['App-x64.exe', 'app-ia32.exe', 'app-x64.exe']);
+  assert.deepEqual(sorted, ['App-x64.exe', 'app-win32.exe', 'app-x64.exe']);
 });
 
 test('filterNamesByArch prefers matches but falls back when none exist', () => {
-  const names = ['app-ia32.exe', 'app-x64.exe'];
+  const names = ['app-win32.exe', 'app-x64.exe'];
   assert.deepEqual(filterNamesByArch(names, 'x64'), ['app-x64.exe']);
   assert.deepEqual(filterNamesByArch(names, 'arm64'), names);
   assert.deepEqual(filterNamesByArch(names, null), names);
@@ -72,7 +72,7 @@ test('filterNamesByArch prefers matches but falls back when none exist', () => {
 test('determineDownloadedUpdateArch prioritises metadata that matches the downloaded file', () => {
   const info = createUpdateInfo({
     files: [
-      { url: 'https://example.com/app-1.2.3-windows-ia32-setup.exe' } as any,
+      { url: 'https://example.com/app-1.2.3-windows-win32-setup.exe' } as any,
       { url: 'https://example.com/app-1.2.3-windows-x64-setup.exe' } as any,
     ],
     downloadedFile: '/tmp/app-1.2.3-windows-x64-setup.exe',