diff --git a/o1vm/src/interpreters/riscv32i/mod.rs b/o1vm/src/interpreters/riscv32i/mod.rs
index ee62e20250..ff0f82696e 100644
--- a/o1vm/src/interpreters/riscv32i/mod.rs
+++ b/o1vm/src/interpreters/riscv32i/mod.rs
@@ -7,7 +7,9 @@ pub const SCRATCH_SIZE: usize = 20;
 // FIXME: the value might not be correct. It will be updated when the
 // interpreter is fully implemented.
 pub const INSTRUCTION_SET_SIZE: usize = 47;
-
+pub const PAGE_ADDRESS_SIZE: u32 = 12;
+pub const PAGE_SIZE: u32 = 1 << PAGE_ADDRESS_SIZE;
+pub const PAGE_ADDRESS_MASK: u32 = PAGE_SIZE - 1;
 /// List all columns used by the interpreter
 pub mod column;