diff --git a/utils/package-osx-bundles.sh b/utils/package-osx-bundles.sh
index 087f9c56..9aa86065 100755
--- a/utils/package-osx-bundles.sh
+++ b/utils/package-osx-bundles.sh
@@ -11,9 +11,6 @@ set -e
 
 DPF_UTILS_DIR="$(dirname $(realpath ${0}))"
 
-# can be overridden by environment variables
-WELCOME_TXT=${WELCOME_TXT:=${DPF_UTILS_DIR}/plugin.pkg/welcome.txt.in}
-
 if [ -d bin ]; then
   cd bin
 elif [ -d build/bin ]; then
@@ -23,8 +20,16 @@ else
   exit
 fi
 
-NAME="$(basename $(git rev-parse --show-toplevel))"
-SNAME="$(echo ${NAME} | tr -d ' ' | tr '/' '-')"
+# can be overridden by environment variables
+MACOS_PKG_NAME=${MACOS_PKG_NAME:="$(basename $(git rev-parse --show-toplevel))"}
+MACOS_PKG_SNAME=${MACOS_PKG_SNAME:="$(echo ${MACOS_PKG_NAME} | tr -d ' ' | tr '/' '-')"}
+MACOS_PKG_SYMBOL=${MACOS_PKG_SYMBOL:="studio.kx.distrho.plugins.${MACOS_PKG_SNAME}"}
+MACOS_PKG_WELCOME_TXT=${MACOS_PKG_WELCOME_TXT:=${DPF_UTILS_DIR}/plugin.pkg/welcome.txt.in}
+
+# backwards compat
+if [ -n "${WELCOME_TXT}" ]; then
+    MACOS_PKG_WELCOME_TXT="${WELCOME_TXT}"
+fi
 
 SKIP_START="<!--"
 SKIP_END="-->"
@@ -42,11 +47,11 @@ if [ -n "${ENABLE_AU}" ]; then
   cp -RL *.component pkg/au/
   [ -n "${MACOS_APP_DEV_ID}" ] && codesign -s "${MACOS_APP_DEV_ID}" --deep --force --verbose --option=runtime pkg/au/*.component
   pkgbuild \
-    --identifier "studio.kx.distrho.plugins.${SNAME}.components" \
+    --identifier "${MACOS_PKG_SYMBOL}-components" \
     --install-location "/Library/Audio/Plug-Ins/Components/" \
     --root "${PWD}/pkg/au/" \
     "${PKG_SIGN_ARGS[@]}" \
-    ../dpf-${SNAME}-components.pkg
+    ../dpf-${MACOS_PKG_SNAME}-components.pkg
 else
   SKIP_AU_START="${SKIP_START}"
   SKIP_AU_END="${SKIP_END}"
@@ -58,11 +63,11 @@ if [ -n "${ENABLE_CLAP}" ]; then
   cp -RL *.clap pkg/clap/
   [ -n "${MACOS_APP_DEV_ID}" ] && codesign -s "${MACOS_APP_DEV_ID}" --deep --force --verbose --option=runtime pkg/clap/*.clap
   pkgbuild \
-    --identifier "studio.kx.distrho.plugins.${SNAME}.clapbundles" \
+    --identifier "${MACOS_PKG_SYMBOL}-clapbundles" \
     --install-location "/Library/Audio/Plug-Ins/CLAP/" \
     --root "${PWD}/pkg/clap/" \
     "${PKG_SIGN_ARGS[@]}" \
-    ../dpf-${SNAME}-clapbundles.pkg
+    ../dpf-${MACOS_PKG_SNAME}-clapbundles.pkg
 else
   SKIP_CLAP_START="${SKIP_START}"
   SKIP_CLAP_END="${SKIP_END}"
@@ -74,11 +79,11 @@ if [ -n "${ENABLE_LV2}" ]; then
   cp -RL *.lv2 pkg/lv2/
   [ -n "${MACOS_APP_DEV_ID}" ] && codesign -s "${MACOS_APP_DEV_ID}" --force --verbose --option=runtime pkg/lv2/*.lv2/*.dylib
   pkgbuild \
-    --identifier "studio.kx.distrho.plugins.${SNAME}.lv2bundles" \
+    --identifier "${MACOS_PKG_SYMBOL}-lv2bundles" \
     --install-location "/Library/Audio/Plug-Ins/LV2/" \
     --root "${PWD}/pkg/lv2/" \
     "${PKG_SIGN_ARGS[@]}" \
-    ../dpf-${SNAME}-lv2bundles.pkg
+    ../dpf-${MACOS_PKG_SNAME}-lv2bundles.pkg
 else
   SKIP_LV2_START="${SKIP_START}"
   SKIP_LV2_END="${SKIP_END}"
@@ -90,11 +95,11 @@ if [ -n "${ENABLE_VST2}" ]; then
   cp -RL *.vst pkg/vst2/
   [ -n "${MACOS_APP_DEV_ID}" ] && codesign -s "${MACOS_APP_DEV_ID}" --deep --force --verbose --option=runtime pkg/vst2/*.vst
   pkgbuild \
-    --identifier "studio.kx.distrho.plugins.${SNAME}.vst2bundles" \
+    --identifier "${MACOS_PKG_SYMBOL}-vst2bundles" \
     --install-location "/Library/Audio/Plug-Ins/VST/" \
     --root "${PWD}/pkg/vst2/" \
     "${PKG_SIGN_ARGS[@]}" \
-    ../dpf-${SNAME}-vst2bundles.pkg
+    ../dpf-${MACOS_PKG_SNAME}-vst2bundles.pkg
 else
   SKIP_VST2_START="${SKIP_START}"
   SKIP_VST2_END="${SKIP_END}"
@@ -106,11 +111,11 @@ if [ -n "${ENABLE_VST3}" ]; then
   cp -RL *.vst3 pkg/vst3/
   [ -n "${MACOS_APP_DEV_ID}" ] && codesign -s "${MACOS_APP_DEV_ID}" --deep --force --verbose --option=runtime pkg/vst3/*.vst3
   pkgbuild \
-    --identifier "studio.kx.distrho.plugins.${SNAME}.vst3bundles" \
+    --identifier "${MACOS_PKG_SYMBOL}-vst3bundles" \
     --install-location "/Library/Audio/Plug-Ins/VST3/" \
     --root "${PWD}/pkg/vst3/" \
     "${PKG_SIGN_ARGS[@]}" \
-    ../dpf-${SNAME}-vst3bundles.pkg
+    ../dpf-${MACOS_PKG_SNAME}-vst3bundles.pkg
 else
   SKIP_VST3_START="${SKIP_START}"
   SKIP_VST3_END="${SKIP_END}"
@@ -119,7 +124,7 @@ fi
 cd ..
 
 mkdir -p build
-sed -e "s|@name@|${NAME}|" "${WELCOME_TXT}" > build/welcome.txt
+sed -e "s|@name@|${MACOS_PKG_NAME}|" "${MACOS_PKG_WELCOME_TXT}" > build/welcome.txt
 sed -e "s|@builddir@|${PWD}/build|" \
     -e "s|@skip_au_start@|${SKIP_AU_START}|" \
     -e "s|@skip_clap_start@|${SKIP_CLAP_START}|" \
@@ -131,22 +136,18 @@ sed -e "s|@builddir@|${PWD}/build|" \
     -e "s|@skip_lv2_end@|${SKIP_LV2_END}|" \
     -e "s|@skip_vst2_end@|${SKIP_VST2_END}|" \
     -e "s|@skip_vst3_end@|${SKIP_VST3_END}|" \
-    -e "s|@aubundleref@|dpf-${SNAME}-components.pkg|" \
-    -e "s|@clapbundleref@|dpf-${SNAME}-clapbundles.pkg|" \
-    -e "s|@lv2bundleref@|dpf-${SNAME}-lv2bundles.pkg|" \
-    -e "s|@vst2bundleref@|dpf-${SNAME}-vst2bundles.pkg|" \
-    -e "s|@vst3bundleref@|dpf-${SNAME}-vst3bundles.pkg|" \
-    -e "s|@name@|${NAME}|g" \
-    -e "s|@sname@|${SNAME}|g" \
+    -e "s|@name@|${MACOS_PKG_NAME}|g" \
+    -e "s|@sname@|${MACOS_PKG_SNAME}|g" \
+    -e "s|@symbol@|${MACOS_PKG_SYMBOL}|g" \
     ${DPF_UTILS_DIR}/plugin.pkg/package.xml.in > build/package.xml
 
 productbuild \
   --distribution build/package.xml \
-  --identifier "studio.kx.distrho.${SNAME}" \
+  --identifier "${MACOS_PKG_SYMBOL}" \
   --package-path "${PWD}" \
   --version 0 \
   "${PKG_SIGN_ARGS[@]}" \
-  ${SNAME}-macOS.pkg
+  ${MACOS_PKG_SNAME}-macOS.pkg
 
 # xcrun notarytool submit build/*-macOS.pkg --keychain-profile "build-notary" --wait
 # xcrun notarytool log --keychain-profile "build-notary" 00000000-0000-0000-0000-000000000000
diff --git a/utils/plugin.pkg/package.xml.in b/utils/plugin.pkg/package.xml.in
index 7d81e66e..99785c04 100644
--- a/utils/plugin.pkg/package.xml.in
+++ b/utils/plugin.pkg/package.xml.in
@@ -3,38 +3,38 @@
     <title>@name@</title>
     <domains enable_anywhere="false" enable_currentUserHome="false" enable_localSystem="true" />
     <options customize="always" hostArchitectures="arm64,x86_64" require-scripts="false" rootVolumeOnly="true" />
-    <pkg-ref id="studio.kx.distrho.@sname@" />
+    <pkg-ref id="@symbol@" />
     <welcome file="@builddir@/welcome.txt" mime-type="text/plain" />
     @skip_au_start@
-    <choice id="studio.kx.distrho.@sname@-au" title="AU" description="Install AU plugins" visible="true">
-        <pkg-ref id="studio.kx.distrho.@sname@-components" version="0">@aubundleref@</pkg-ref>
+    <choice id="@symbol@-au" title="AU" description="Install AU plugins" visible="true">
+        <pkg-ref id="@symbol@-components" version="0">dpf-@sname@-components.pkg</pkg-ref>
     </choice>
     @skip_au_end@
     @skip_clap_start@
-    <choice id="studio.kx.distrho.@sname@-clap" title="CLAP" description="Install CLAP plugins" visible="true">
-        <pkg-ref id="studio.kx.distrho.@sname@-clapbundles" version="0">@clapbundleref@</pkg-ref>
+    <choice id="@symbol@-clap" title="CLAP" description="Install CLAP plugins" visible="true">
+        <pkg-ref id="@symbol@-clapbundles" version="0">dpf-@sname@-clapbundles.pkg</pkg-ref>
     </choice>
     @skip_clap_end@
     @skip_lv2_start@
-    <choice id="studio.kx.distrho.@sname@-lv2" title="LV2" description="Install LV2 plugins" visible="true">
-        <pkg-ref id="studio.kx.distrho.@sname@-lv2bundles" version="0">@lv2bundleref@</pkg-ref>
+    <choice id="@symbol@-lv2" title="LV2" description="Install LV2 plugins" visible="true">
+        <pkg-ref id="@symbol@-lv2bundles" version="0">dpf-@sname@-lv2bundles.pkg</pkg-ref>
     </choice>
     @skip_lv2_end@
     @skip_vst2_start@
-    <choice id="studio.kx.distrho.@sname@-vst2" title="VST2" description="Install VST2 plugins" visible="true">
-        <pkg-ref id="studio.kx.distrho.@sname@-vst2bundles" version="0">@vst2bundleref@</pkg-ref>
+    <choice id="@symbol@-vst2" title="VST2" description="Install VST2 plugins" visible="true">
+        <pkg-ref id="@symbol@-vst2bundles" version="0">dpf-@sname@-vst2bundles.pkg</pkg-ref>
     </choice>
     @skip_vst2_end@
     @skip_vst3_start@
-    <choice id="studio.kx.distrho.@sname@-vst3" title="VST3" description="Install VST3 plugins" visible="true">
-        <pkg-ref id="studio.kx.distrho.@sname@-vst3bundles" version="0">@vst3bundleref@</pkg-ref>
+    <choice id="@symbol@-vst3" title="VST3" description="Install VST3 plugins" visible="true">
+        <pkg-ref id="@symbol@-vst3bundles" version="0">dpf-@sname@-vst3bundles.pkg</pkg-ref>
     </choice>
     @skip_vst3_end@
     <choices-outline>
-        @skip_au_start@<line choice="studio.kx.distrho.@sname@-au"/>@skip_au_end@
-        @skip_clap_start@<line choice="studio.kx.distrho.@sname@-clap"/>@skip_clap_end@
-        @skip_lv2_start@<line choice="studio.kx.distrho.@sname@-lv2"/>@skip_lv2_end@
-        @skip_vst2_start@<line choice="studio.kx.distrho.@sname@-vst2"/>@skip_vst2_end@
-        @skip_vst3_start@<line choice="studio.kx.distrho.@sname@-vst3"/>@skip_vst3_end@
+        @skip_au_start@<line choice="@symbol@-au"/>@skip_au_end@
+        @skip_clap_start@<line choice="@symbol@-clap"/>@skip_clap_end@
+        @skip_lv2_start@<line choice="@symbol@-lv2"/>@skip_lv2_end@
+        @skip_vst2_start@<line choice="@symbol@-vst2"/>@skip_vst2_end@
+        @skip_vst3_start@<line choice="@symbol@-vst3"/>@skip_vst3_end@
     </choices-outline>
 </installer-gui-script>