diff --git a/src/lib.rs b/src/lib.rs
index 62cac5c..74d4f88 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -243,7 +243,7 @@
             self.regions
                 .acquire(required_va, pages_length, physical_region)
         } else {
-            self.regions.allocate(pages_length, physical_region)
+            self.regions.allocate(pages_length, physical_region, None)
         }
         .map_err(XlatError::RegionPoolError)?;
 
@@ -275,7 +275,7 @@
             self.regions
                 .acquire(required_va, pages_length, physical_region)
         } else {
-            self.regions.allocate(pages_length, physical_region)
+            self.regions.allocate(pages_length, physical_region, None)
         }
         .map_err(XlatError::RegionPoolError)?;
 
@@ -301,7 +301,7 @@
         let region = if let Some(required_va) = va {
             self.regions.acquire(required_va, length, resource)
         } else {
-            self.regions.allocate(length, resource)
+            self.regions.allocate(length, resource, None)
         }
         .map_err(XlatError::RegionPoolError)?;