diff --git a/src/main.c b/src/main.c
index b43f2ff..43d0003 100644
--- a/src/main.c
+++ b/src/main.c
@@ -24,8 +24,6 @@ int main(void)
   discovery_discover(&d);
   
   Configuration sample_config;
-  /* Command cmd = command_create(&a_cmd, &d, &sample_config); */
-  /* command_run(&cmd); */
 
   Arena a_b = arena_create(&b, 1024*1024*5);
   
diff --git a/src/memory.c b/src/memory.c
index 67e5ce4..92342fa 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -27,7 +27,7 @@ void* backend_reserve(Backend* b, size_t cap)
 {
   assert(b != NULL);
   void* ptr = b->last;
-  if(b->len + cap >= MEM_BACKEND_MAX_CAP)
+  if(b->len + cap >= b->cap)
     DIE("Process out of memory, requested %d (current usage %d out of %d).", cap, b->len, b->cap);
   b->last = (char*)b->last + (int)cap;
   b->len += cap;