diff --git a/os/macosx/Info.plist.in b/os/macosx/Info.plist.in
index 359d28de8d..ac5b96ef8d 100644
--- a/os/macosx/Info.plist.in
+++ b/os/macosx/Info.plist.in
@@ -14,7 +14,7 @@
         <key>CFBundleIconFile</key>
         <string>${CPACK_BUNDLE_NAME}.icns</string>
         <key>CFBundleIdentifier</key>
-        <string>org.openttd.openttd</string>
+        <string>org.openttd.openttd.jgrpp</string>
         <key>CFBundleInfoDictionaryVersion</key>
         <string>6.0</string>
         <key>CFBundleName</key>
diff --git a/os/macosx/notarize.sh b/os/macosx/notarize.sh
index 55405cdd89..4ce2fc2cec 100755
--- a/os/macosx/notarize.sh
+++ b/os/macosx/notarize.sh
@@ -48,7 +48,7 @@ cat <<EOF > notarize.json
    "notarize": [
       {
          "path": "${dmg_filename[0]}",
-         "bundle_id": "org.openttd.openttd",
+         "bundle_id": "org.openttd.openttd.jgrpp",
          "staple": true
       }
    ]