diff --git a/pvmfw/src/helpers.rs b/pvmfw/src/helpers.rs
index 8c05217..1f0a764 100644
--- a/pvmfw/src/helpers.rs
+++ b/pvmfw/src/helpers.rs
@@ -22,6 +22,7 @@
 pub const SIZE_4MB: usize = 4 << 20;
 
 pub const GUEST_PAGE_SIZE: usize = SIZE_4KB;
+pub const PVMFW_PAGE_SIZE: usize = SIZE_4KB;
 
 /// Read a value from a system register.
 #[macro_export]