diff --git a/avm-transpiler/src/transpile.rs b/avm-transpiler/src/transpile.rs
index 6a6f67fe8fe0..11007c9497e7 100644
--- a/avm-transpiler/src/transpile.rs
+++ b/avm-transpiler/src/transpile.rs
@@ -981,7 +981,7 @@ fn handle_black_box_function(avm_instrs: &mut Vec<AvmInstruction>, operation: &B
             avm_instrs.push(AvmInstruction {
                 opcode: AvmOpcode::TORADIXLE,
                 indirect: Some(FIRST_OPERAND_INDIRECT),
-                tag: Some(AvmTypeTag::FIELD),
+                tag: None,
                 operands: vec![
                     AvmOperand::U32 {
                         value: input_offset as u32,
diff --git a/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr b/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr
index e71861ffbef9..ec3f070ec964 100644
--- a/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr
+++ b/noir-projects/noir-contracts/contracts/avm_test_contract/src/main.nr
@@ -340,4 +340,10 @@ contract AvmTest {
     fn send_l2_to_l1_msg(recipient: EthAddress, content: Field) {
         context.message_portal(recipient, content)
     }
+
+    #[aztec(public-vm)]
+    fn to_radix_le(input: Field ) -> [u8; 10] {
+        let result: [u8] =input.to_le_radix(2, 10);
+        result.as_array()
+    }
 }
diff --git a/yarn-project/simulator/src/avm/avm_simulator.test.ts b/yarn-project/simulator/src/avm/avm_simulator.test.ts
index a18b4c05e43c..0181541b1ffc 100644
--- a/yarn-project/simulator/src/avm/avm_simulator.test.ts
+++ b/yarn-project/simulator/src/avm/avm_simulator.test.ts
@@ -879,6 +879,19 @@ describe('AVM simulator: transpiled Noir contracts', () => {
       expect(results.revertReason?.message).toEqual('Assertion failed: Values are not equal');
     });
   });
+  it('conversions', async () => {
+    const calldata: Fr[] = [new Fr(0b1011101010100)];
+    const context = initContext({ env: initExecutionEnvironment({ calldata }) });
+
+    const bytecode = getAvmTestContractBytecode('to_radix_le');
+    const results = await new AvmSimulator(context).executeBytecode(bytecode);
+
+    expect(results.reverted).toBe(false);
+    const expectedResults = '1011101010100'.split('').reverse().slice(0, 10).map(Number);
+    for (let i = 0; i < 10; i++) {
+      expect(results.output[i]).toEqual(new Fr(expectedResults[i]));
+    }
+  });
 });
 
 function getAvmTestContractBytecode(functionName: string): Buffer {
diff --git a/yarn-project/simulator/src/avm/serialization/bytecode_serialization.ts b/yarn-project/simulator/src/avm/serialization/bytecode_serialization.ts
index 0d2866ee9657..c6158e6bd763 100644
--- a/yarn-project/simulator/src/avm/serialization/bytecode_serialization.ts
+++ b/yarn-project/simulator/src/avm/serialization/bytecode_serialization.ts
@@ -1,4 +1,5 @@
 import { DAGasLeft, L2GasLeft } from '../opcodes/context_getters.js';
+import { ToRadixLE } from '../opcodes/conversion.js';
 import { Keccak, Pedersen, Poseidon2, Sha256 } from '../opcodes/hashing.js';
 import type { Instruction } from '../opcodes/index.js';
 import {
@@ -136,6 +137,8 @@ const INSTRUCTION_SET = () =>
     [Poseidon2.opcode, Poseidon2],
     [Sha256.opcode, Sha256],
     [Pedersen.opcode, Pedersen],
+    // Conversions
+    [ToRadixLE.opcode, ToRadixLE],
   ]);
 
 interface Serializable {