diff --git a/dist/macos/bundle/build_installer.sh.in b/dist/macos/bundle/build_installer.sh.in
index 4565348d..d16e21f3 100755
--- a/dist/macos/bundle/build_installer.sh.in
+++ b/dist/macos/bundle/build_installer.sh.in
@@ -3,9 +3,10 @@
 # change this to rename the installer package
 B_DMG="Barrier-@BARRIER_VERSION@.dmg"
 
-cd @CMAKE_CURRENT_SOURCE_DIR@/build/bundle || exit 1
+cd "$( dirname '$0' )"
+OWNDIR="$( pwd )"
 
-B_REREF_SCRIPT=@CMAKE_CURRENT_SOURCE_DIR@/build/bundle/reref_dylibs.sh
+B_REREF_SCRIPT="$OWNDIR/reref_dylibs.sh"
 if [ ! -x $B_REREF_SCRIPT ]; then
     echo Missing script: $B_REREF_SCRIPT
     exit 1