diff --git a/src/btreemap.rs b/src/btreemap.rs
index eeee7aa3..b4165bb9 100644
--- a/src/btreemap.rs
+++ b/src/btreemap.rs
@@ -120,7 +120,7 @@ where
     pub fn init_v2(memory: M) -> Self {
         if memory.size() == 0 {
             // Memory is empty. Create a new map.
-            return BTreeMap::new(memory);
+            return BTreeMap::new_v2(memory);
         }
 
         // Check if the magic in the memory corresponds to a BTreeMap.