diff --git a/build.zig b/build.zig
index 42079be..dee4d69 100644
--- a/build.zig
+++ b/build.zig
@@ -12,7 +12,7 @@ pub fn build(builder: *std.build.Builder) void {
         ona_exe.setBuildMode(mode);
         ona_exe.install();
         ona_exe.addIncludeDir("./ext");
-        ona_exe.linkSystemLibrary("sdl2");
+        ona_exe.linkSystemLibrary("SDL2");
 
         // Lua dependency.
         ona_exe.linkLibrary(link_lua: {