diff --git a/gc.c b/gc.c
index 35980aff..d2085da4 100644
--- a/gc.c
+++ b/gc.c
@@ -1357,12 +1357,18 @@ void *gc_alloc(gc_heap_root * hrt, size_t size, char *obj, gc_thread_data * thd,
   size = gc_heap_align(size);
   if (size <= 32) {
     heap_type = HEAP_SM;
-    try_alloc = &gc_try_alloc_fixed_size;
-    try_alloc_slow = &gc_try_alloc_slow_fixed_size;
+    try_alloc = &gc_try_alloc;
+    try_alloc_slow = &gc_try_alloc_slow;
+    // TODO:
+    //try_alloc = &gc_try_alloc_fixed_size;
+    //try_alloc_slow = &gc_try_alloc_slow_fixed_size;
   } else if (size <= 64) {
     heap_type = HEAP_64;
-    try_alloc = &gc_try_alloc_fixed_size;
-    try_alloc_slow = &gc_try_alloc_slow_fixed_size;
+    try_alloc = &gc_try_alloc;
+    try_alloc_slow = &gc_try_alloc_slow;
+    // TODO:
+    //try_alloc = &gc_try_alloc_fixed_size;
+    //try_alloc_slow = &gc_try_alloc_slow_fixed_size;
 // Only use this heap on 64-bit platforms, where larger objs are used more often
 // Code from http://stackoverflow.com/a/32717129/101258
 #if INTPTR_MAX == INT64_MAX