diff --git a/l1-contracts/src/core/libraries/ConstantsGen.sol b/l1-contracts/src/core/libraries/ConstantsGen.sol
index aabd2183f044..900acd5636b9 100644
--- a/l1-contracts/src/core/libraries/ConstantsGen.sol
+++ b/l1-contracts/src/core/libraries/ConstantsGen.sol
@@ -304,4 +304,5 @@ library Constants {
   uint256 internal constant PROOF_TYPE_AVM = 4;
   uint256 internal constant PROOF_TYPE_ROLLUP_HONK = 5;
   uint256 internal constant PROOF_TYPE_ROOT_ROLLUP_HONK = 6;
+  uint256 internal constant TWO_POW_64 = 18446744073709551616;
 }
diff --git a/noir-projects/noir-protocol-circuits/crates/types/src/constants.nr b/noir-projects/noir-protocol-circuits/crates/types/src/constants.nr
index 04734a27836f..79c6aca84499 100644
--- a/noir-projects/noir-protocol-circuits/crates/types/src/constants.nr
+++ b/noir-projects/noir-protocol-circuits/crates/types/src/constants.nr
@@ -758,7 +758,7 @@ pub global PROOF_TYPE_AVM: u32 = 4;
 pub global PROOF_TYPE_ROLLUP_HONK: u32 = 5;
 pub global PROOF_TYPE_ROOT_ROLLUP_HONK: u32 = 6;
 
-pub global TWO_POW_64: Field = 2.pow_32(64);
+pub global TWO_POW_64: Field = 18446744073709551616;
 
 mod test {
     use crate::constants::{
diff --git a/yarn-project/circuits.js/src/constants.gen.ts b/yarn-project/circuits.js/src/constants.gen.ts
index a38b0b59b6d0..ec515a7c3720 100644
--- a/yarn-project/circuits.js/src/constants.gen.ts
+++ b/yarn-project/circuits.js/src/constants.gen.ts
@@ -348,6 +348,7 @@ export const PROOF_TYPE_PG = 3;
 export const PROOF_TYPE_AVM = 4;
 export const PROOF_TYPE_ROLLUP_HONK = 5;
 export const PROOF_TYPE_ROOT_ROLLUP_HONK = 6;
+export const TWO_POW_64 = 18446744073709551616n;
 export enum GeneratorIndex {
   NOTE_HASH = 1,
   NOTE_HASH_NONCE = 2,