diff --git a/setup/installer/osx/app/main.py b/setup/installer/osx/app/main.py
index 6dd97098e6..7aea960c3b 100644
--- a/setup/installer/osx/app/main.py
+++ b/setup/installer/osx/app/main.py
@@ -436,7 +436,7 @@ class Py2App(object):
 
     @flush
     def add_misc_libraries(self):
-        for x in ('usb-1.0.0', 'mtp.9', 'readline.6.1',
+        for x in ('usb-1.0.0', 'mtp.9', 'readline.6.1', 'ltdl.7',
                   'chm.0', 'sqlite3.0', 'icudata.53', 'icui18n.53', 'icuio.53', 'icuuc.53'):
             info('\nAdding', x)
             x = 'lib%s.dylib'%x