diff --git a/dev/buildbot/master/master.cfg b/dev/buildbot/master/master.cfg
index 046ea3b6..5d231a7d 100644
--- a/dev/buildbot/master/master.cfg
+++ b/dev/buildbot/master/master.cfg
@@ -210,8 +210,7 @@ for conda_env in ['py33','py27','py34']:
         ctest_args, cmake_args = [], []
         if platform.startswith('windows'):
             ctest_args = ['-C', 'Release']
-            cmake_args = ['-G', 'Visual Studio 10 2010 Win64']
-            
+            cmake_args = ['-G', '"Visual Studio 10 2010 Win64"']
         c['builders'].append(
         BuilderConfig(name="Python-binaries-" + platform + '-' + conda_env,
                       slavenames=[platform + "-slave"],