diff --git a/build.zig b/build.zig
index 21cab83..b30c0e8 100644
--- a/build.zig
+++ b/build.zig
@@ -25,7 +25,7 @@ pub fn build(builder: *std.build.Builder) void {
 
     // Ona tests.
     {
-        const ona_tests = builder.addTest("src/stack.zig");
+        const ona_tests = builder.addTest("src/main.zig");
 
         ona_tests.setTarget(target);
         ona_tests.setBuildMode(mode);