diff --git a/invodb/btree/btree_node.h b/invodb/btree/btree_node.h
index 5d9f397..171b3fb 100644
--- a/invodb/btree/btree_node.h
+++ b/invodb/btree/btree_node.h
@@ -103,8 +103,8 @@ public:
         page.save();
     }
     static const int m = 28;
-    std::string key[m+100];
-    int val[m+200];
+    std::string key[m];
+    int val[m+1];
     int parent;
 private:
     static std::map<int, BTreeNodeUUID*> map;
diff --git a/invodb/btree/btree_uuid.h b/invodb/btree/btree_uuid.h
index 4127a31..0b44d13 100644
--- a/invodb/btree/btree_uuid.h
+++ b/invodb/btree/btree_uuid.h
@@ -13,8 +13,8 @@ public:
     ~BTreeUUID() { delete root; };
     void insert(const char* uuid, int address);
     void print();
-    void innerPrint(BTreeNodeUUID* cur);
 private:
+    void innerPrint(BTreeNodeUUID* cur);
     void split(std::string uuid, int address, BTreeNodeUUID* parent, BTreeNodeUUID* cur);
     void insertInternal(std::string uuid, BTreeNodeUUID* cur, BTreeNodeUUID* lLeaf, BTreeNodeUUID* rLeaf);
     BTreeNodeUUID *root;