diff --git a/test/standalone/mix_o_files/build.zig b/test/standalone/mix_o_files/build.zig
index dcc5a09a0203d39440e92fdf0f3d7585c760e02f..3143834ffb3880ace94e618015902105e8104d94 100644
--- a/test/standalone/mix_o_files/build.zig
+++ b/test/standalone/mix_o_files/build.zig
@@ -13,6 +13,7 @@ pub fn build(b: *std.Build) void {
             .root_source_file = b.path("base64.zig"),
             .optimize = optimize,
             .target = target,
+            .link_libc = true,
         }),
     });