1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp b/libcxx/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp
index cc548b37ddd..4398ff61301 100644
--- a/libcxx/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp
+++ b/libcxx/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp
@@ -21,7 +21,7 @@ struct testbuf
     testbuf() {}
 };
 
-int main()
+int main(int, char**)
 {
     {
         testbuf<char> sb;
@@ -35,4 +35,6 @@ int main()
         os << std::setfill(L'*');
         assert(os.fill() == L'*');
     }
+
+  return 0;
 }