diff --git a/libs/ecs/src/main.zig b/libs/ecs/src/main.zig
index 27e74a86..bc0df6b0 100644
--- a/libs/ecs/src/main.zig
+++ b/libs/ecs/src/main.zig
@@ -75,8 +75,8 @@ test "example" {
     // Initialize module state.
     var physics = world.mod(.physics);
     var renderer = world.mod(.renderer);
-    physics.setState(.pointer, 123);
-    _ = physics.getState(.pointer); // == 123
+    physics.initState(.{ .pointer = 123 });
+    _ = physics.state().pointer; // == 123
 
     const player1 = try world.newEntity();
     const player2 = try world.newEntity();