diff --git a/indra/cmake/BuildPackagesInfo.cmake b/indra/cmake/BuildPackagesInfo.cmake
index 8f8b6b23300d21e1995347fbfa60dd0091cecaeb..659ba9d5795dbaa193f9431b092843602b40b948 100644
--- a/indra/cmake/BuildPackagesInfo.cmake
+++ b/indra/cmake/BuildPackagesInfo.cmake
@@ -16,5 +16,5 @@ add_custom_command(OUTPUT packages-info.txt
   COMMAND ${PYTHON_EXECUTABLE}
           ${CMAKE_SOURCE_DIR}/cmake/run_build_test.py -DAUTOBUILD_ADDRSIZE=${ADDRESS_SIZE} -DAUTOBUILD=${AUTOBUILD_EXECUTABLE}
           ${PYTHON_EXECUTABLE}
-          ${CMAKE_SOURCE_DIR}/../scripts/packages-formatter.py "${VIEWER_CHANNEL}" "${VIEWER_SHORT_VERSION}.${VIEWER_VERSION_REVISION}" > packages-info.txt
+          ${CMAKE_SOURCE_DIR}/../scripts/packages-formatter.py "${VIEWER_CHANNEL}" "${VIEWER_SHORT_VERSION}.${VIEWER_VERSION_REVISION}" "${AUTOBUILD_INSTALL_DIR}" > packages-info.txt
   )
diff --git a/scripts/packages-formatter.py b/scripts/packages-formatter.py
index ff7c8925777b330634f3288e6825140857a4262c..4449111e46b7a86b250f2e15d808df745c52932d 100755
--- a/scripts/packages-formatter.py
+++ b/scripts/packages-formatter.py
@@ -34,6 +34,7 @@
 parser = argparse.ArgumentParser(description='Format dependency version and copyright information for the viewer About box content')
 parser.add_argument('channel', help='viewer channel name')
 parser.add_argument('version', help='viewer version number')
+parser.add_argument('install_dir', help="install dir of packages")
 args = parser.parse_args()
 
 _autobuild=os.getenv('AUTOBUILD', 'autobuild')
@@ -74,8 +75,8 @@ def add_info(key, pkg, lines):
     else:
         dups[key].add(pkg)
 
-versions=autobuild('install', '--versions')
-copyrights=autobuild('install', '--copyrights')
+versions=autobuild('install', '--versions', '--install-dir', args.install_dir)
+copyrights=autobuild('install', '--copyrights', '--install-dir', args.install_dir)
 viewer_copyright = copyrights.readline() # first line is the copyright for the viewer itself
 
 # Two different autobuild outputs, but we treat them essentially the same way: