diff --git a/setup.py b/setup.py
index 869029e..a348dba 100755
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,9 @@ def get_numpy_include_dirs():
     package_version = str(lcl['version'])
     del lcl
 
-cxxflags = ['-std=c++11']
+cxxflags = []
+if get_config_var('CMPLR_CLASS') in ('gcc', 'clang'):
+    cxxflags += ['-std=c++11']
 ldflags = []
 import sys
 import platform