diff --git a/nyx/snapshot/memory/block_list.c b/nyx/snapshot/memory/block_list.c
index 70e99a74e4..669c76a4a4 100644
--- a/nyx/snapshot/memory/block_list.c
+++ b/nyx/snapshot/memory/block_list.c
@@ -37,7 +37,7 @@ snapshot_page_blocklist_t* snapshot_page_blocklist_init(void){
   }
 
   self->pages_num = 0;
-  self->pages_size = 0;
+  self->pages_size = REALLOC_SIZE;
 	self->pages = malloc(sizeof(uint64_t) * REALLOC_SIZE);
 
   return self;