diff --git a/dnnlib/tflib/custom_ops.py b/dnnlib/tflib/custom_ops.py
index ed31b7691546b844195321283fe52129d6ce9525..b97691c17e46245152d41c0d827f3f64d8bb7706 100755
--- a/dnnlib/tflib/custom_ops.py
+++ b/dnnlib/tflib/custom_ops.py
@@ -69,7 +69,7 @@ def _run_cmd(cmd):
         raise RuntimeError('NVCC returned an error. See below for full command line and output log:\n\n%s\n\n%s' % (cmd, output))
 
 def _prepare_nvcc_cli(opts):
-    cmd = 'nvcc ' + opts.strip()
+    cmd = 'nvcc  --std=c++11 -DNDEBUG ' + opts.strip()
     cmd += ' --disable-warnings'
     cmd += ' --include-path "%s"' % tf.sysconfig.get_include()
     cmd += ' --include-path "%s"' % os.path.join(tf.sysconfig.get_include(), 'external', 'protobuf_archive', 'src')