diff --git a/.github/workflows/release-tauri.yml b/.github/workflows/release-tauri.yml
index 7ac2b68e..2c3588c8 100644
--- a/.github/workflows/release-tauri.yml
+++ b/.github/workflows/release-tauri.yml
@@ -217,6 +217,18 @@ jobs:
             npm run tauri -- build --bundles deb,rpm,appimage
           fi
 
+      - name: Disambiguate macOS updater bundle filename
+        if: startsWith(matrix.platform, 'macos') && env.TAURI_SIGNING_PRIVATE_KEY != ''
+        shell: bash
+        working-directory: 'openless-all/app/src-tauri/target/release/bundle/macos'
+        run: |
+          if [ -f OpenLess.app.tar.gz ]; then
+            mv OpenLess.app.tar.gz "OpenLess_${{ matrix.updater-arch }}.app.tar.gz"
+          fi
+          if [ -f OpenLess.app.tar.gz.sig ]; then
+            mv OpenLess.app.tar.gz.sig "OpenLess_${{ matrix.updater-arch }}.app.tar.gz.sig"
+          fi
+
       - name: Write updater manifest
         if: env.TAURI_SIGNING_PRIVATE_KEY != ''
         shell: bash
diff --git a/openless-all/app/scripts/write-updater-manifest.mjs b/openless-all/app/scripts/write-updater-manifest.mjs
index eb85a906..eb0e7762 100755
--- a/openless-all/app/scripts/write-updater-manifest.mjs
+++ b/openless-all/app/scripts/write-updater-manifest.mjs
@@ -17,7 +17,10 @@ const packageJson = JSON.parse(readFileSync(new URL('../package.json', import.me
 const bundleDir = fileURLToPath(new URL('../src-tauri/target/release/bundle/', import.meta.url));
 
 const candidatesByTarget = {
-  darwin: ['macos/OpenLess.app.tar.gz'],
+  darwin: [
+    `macos/OpenLess_${arch}.app.tar.gz`,
+    'macos/OpenLess.app.tar.gz',
+  ],
   windows: ['nsis/OpenLess_*_x64-setup.exe', 'nsis/OpenLess*_x64-setup.exe'],
   linux: ['appimage/OpenLess_*.AppImage', 'appimage/OpenLess*.AppImage'],
 };