diff --git a/moo/lib/heap.c b/moo/lib/heap.c
index 3fb6241..cd06a7a 100644
--- a/moo/lib/heap.c
+++ b/moo/lib/heap.c
@@ -41,7 +41,7 @@ static void* xma_realloc (moo_mmgr_t* mmgr, void* ptr, moo_oow_t size)
 
 static void xma_free (moo_mmgr_t* mmgr, void* ptr)
 {
-	return moo_xma_free (mmgr->ctx, ptr);
+	moo_xma_free (mmgr->ctx, ptr);
 }
 
 moo_heap_t* moo_makeheap (moo_t* moo, moo_oow_t size)