diff --git a/lib/std/build/OptionsStep.zig b/lib/std/build/OptionsStep.zig
index 2f1c1db6689c37a66ac2bf199f6c940b1ebfb12f..12e7950599f52537f75e1520e52ad8d9e5dff431 100644
--- a/lib/std/build/OptionsStep.zig
+++ b/lib/std/build/OptionsStep.zig
@@ -262,4 +262,6 @@ test "OptionsStep" {
         \\};
         \\
     , options.contents.items);
+
+    _ = try std.zig.parse(&arena.allocator, try options.contents.toOwnedSliceSentinel(0));
 }