diff --git a/shared/sx/async_eval.py b/shared/sx/async_eval.py
index 86856f6..9c25fbf 100644
--- a/shared/sx/async_eval.py
+++ b/shared/sx/async_eval.py
@@ -1127,8 +1127,12 @@ async def _aser(expr: Any, env: dict[str, Any], ctx: RequestContext) -> Any:
         if name.startswith("html:"):
             return await _aser_call(name[5:], expr[1:], env, ctx)
 
-        # Component call — serialize (don't expand)
+        # Component call — expand macros, serialize regular components
         if name.startswith("~"):
+            val = env.get(name)
+            if isinstance(val, Macro):
+                expanded = _expand_macro(val, expr[1:], env)
+                return await _aser(expanded, env, ctx)
             return await _aser_call(name, expr[1:], env, ctx)
 
         # Serialize-mode special/HO forms (checked BEFORE HTML_TAGS