diff --git a/config.coffee b/config.coffee
index 739525c65..f9d1e69c0 100644
--- a/config.coffee
+++ b/config.coffee
@@ -206,7 +206,7 @@ exports.config =
     assetsmanager:
       copyTo:
         'lib/ace': ['node_modules/ace-builds/src-min-noconflict/*']
-        'fonts': ['bower_components/openSansCondensed/*', 'bower_components/openSans/*']
+        'fonts': ['bower_components/openSansCondensed/!(*bower.json)', 'bower_components/openSans/!(*bower.json)']
         'javascripts': ['bower_components/esper.js/esper.modern.js']
     autoReload:
       delay: 1000