diff --git a/sandboxed_api/examples/sum/main_sum.cc b/sandboxed_api/examples/sum/main_sum.cc
index d260af3..766b022 100644
--- a/sandboxed_api/examples/sum/main_sum.cc
+++ b/sandboxed_api/examples/sum/main_sum.cc
@@ -202,7 +202,7 @@ sapi::Status test_addition(sapi::Sandbox* sandbox, int a, int b, int c) {
 }  // namespace
 
 int main(int argc, char** argv) {
-  google::ParseCommandLineFlags(&argc, &argv, true);
+  gflags::ParseCommandLineFlags(&argc, &argv, true);
   google::InitGoogleLogging(argv[0]);
 
   sapi::Status status;