diff --git a/src/arena.c b/src/arena.c
index e78f74b..6df3a58 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -49,6 +49,7 @@ arena_allocate(Arena *arena, u64 size)
     {
       // rhjr: TODO add support for allocations larger then a single page, in a
       //       single allocation call.
+      ASSERT(0);
     }
     else
     {