diff --git a/build.zig b/build.zig
index 1e9d891ef..8640f97cf 100644
--- a/build.zig
+++ b/build.zig
@@ -253,7 +253,7 @@ pub fn build(b: *std.Build) !void {
 
         // Building with LTO on Windows is broken.
         // https://github.com/ziglang/zig/issues/15958
-        if (target.isWindows()) exe.want_lto = false;
+        if (target.result.os.tag == .windows) exe.want_lto = false;
 
         // If we're installing, we get the install step so we can add
         // additional dependencies to it.