diff --git a/nightfall-client/src/classes/commitment.mjs b/nightfall-client/src/classes/commitment.mjs
index 77afe9963..b508f824b 100644
--- a/nightfall-client/src/classes/commitment.mjs
+++ b/nightfall-client/src/classes/commitment.mjs
@@ -34,7 +34,7 @@ class Commitment {
     // we encode the top four bytes of the tokenId into the empty bytes at the top of the erc address.
     // this is consistent to what we do in the ZKP circuits
     const [top4Bytes, remainder] = this.preimage.tokenId.limbs(224, 2).map(l => BigInt(l));
-    const SHIFT = 2923003274661805836407369665432566039311865085952n;
+    const SHIFT = 1461501637330902918203684832716283019655932542976n;
     this.hash = poseidon(
       generalise([
         this.preimage.ercAddress.bigInt + top4Bytes * SHIFT,
diff --git a/nightfall-deployer/circuits/deposit.zok b/nightfall-deployer/circuits/deposit.zok
index ec40686f9..3057e57dd 100644
--- a/nightfall-deployer/circuits/deposit.zok
+++ b/nightfall-deployer/circuits/deposit.zok
@@ -10,8 +10,8 @@ from "./common/casts/u32_array_to_field.zok" import main as u32_array_to_field
 
 type Point = field[2]
 
-// 2 ^ 161
-const field SHIFT = 2923003274661805836407369665432566039311865085952
+// 2 ^ 160
+const field SHIFT = 1461501637330902918203684832716283019655932542976
 
 def main(\
 	field ercContractAddress,\
diff --git a/nightfall-deployer/circuits/double_transfer.zok b/nightfall-deployer/circuits/double_transfer.zok
index 1233fcd11..489fa31b9 100644
--- a/nightfall-deployer/circuits/double_transfer.zok
+++ b/nightfall-deployer/circuits/double_transfer.zok
@@ -14,8 +14,8 @@ from "./common/merkle-tree/path-check.zok" import main as pathCheck
 
 type Point = field[2]
 
-// 2 ^ 161
-const field SHIFT = 2923003274661805836407369665432566039311865085952
+// 2 ^ 160
+const field SHIFT = 1461501637330902918203684832716283019655932542976
 
 struct OldCommitmentPreimage {
 	u32[8] id
diff --git a/nightfall-deployer/circuits/single_transfer.zok b/nightfall-deployer/circuits/single_transfer.zok
index 987be63d3..2bc3b406b 100644
--- a/nightfall-deployer/circuits/single_transfer.zok
+++ b/nightfall-deployer/circuits/single_transfer.zok
@@ -14,8 +14,8 @@ from "./common/casts/u32_array_to_field.zok" import main as u32_array_to_field
 
 type Point = field[2]
 
-// 2 ^ 161
-const field SHIFT = 2923003274661805836407369665432566039311865085952
+// 2 ^ 160
+const field SHIFT = 1461501637330902918203684832716283019655932542976
 
 struct OldCommitmentPreimage {
 	u32[8] id
diff --git a/nightfall-deployer/circuits/withdraw.zok b/nightfall-deployer/circuits/withdraw.zok
index 689ec4f68..12898c34e 100644
--- a/nightfall-deployer/circuits/withdraw.zok
+++ b/nightfall-deployer/circuits/withdraw.zok
@@ -10,8 +10,8 @@ from "./common/casts/u32_array_to_field.zok" import main as u32_array_to_field
 from "hashes/poseidon/poseidon.zok" import main as poseidon
 from "./common/merkle-tree/path-check.zok" import main as pathCheck
 
-// 2 ^ 161
-const field SHIFT = 2923003274661805836407369665432566039311865085952
+// 2 ^ 160
+const field SHIFT = 1461501637330902918203684832716283019655932542976
 
 struct OldCommitmentPreimage {
 	field salt