1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/utilities/ratio/ratio.arithmetic/ratio_subtract.pass.cpp b/libcxx/test/std/utilities/ratio/ratio.arithmetic/ratio_subtract.pass.cpp
index dbb9480475d..e3871f7a7cf 100644
--- a/libcxx/test/std/utilities/ratio/ratio.arithmetic/ratio_subtract.pass.cpp
+++ b/libcxx/test/std/utilities/ratio/ratio.arithmetic/ratio_subtract.pass.cpp
@@ -10,7 +10,7 @@
 
 #include <ratio>
 
-int main()
+int main(int, char**)
 {
     {
     typedef std::ratio<1, 1> R1;
@@ -72,4 +72,6 @@ int main()
     typedef std::ratio_subtract<R1, R2>::type R;
     static_assert(R::num == -1 && R::den == 1, "");
     }
+
+  return 0;
 }