diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index 2ce557fb8d5917f59628749d0552d68397ab8818..a9c2ab7437099155f4bb782962eba05831bc52fc 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -1022,6 +1022,10 @@ def copy_finish(self):
     def package_finish(self):
         installer_name = self.installer_base_name()
 
+        # Some .so's are packaged without write permissions and fail during strip.  So this...
+        self.run_command(r"find %(dst)r/lib -type f -perm 0555 | xargs --no-run-if-empty chmod 0755; true"
+                         % {'dst' : self.get_dst_prefix()} )
+
         self.strip_binaries()
 
         # Fix access permissions