diff --git a/noir-projects/aztec-nr/aztec/src/state_vars/shared_mutable/shared_mutable.nr b/noir-projects/aztec-nr/aztec/src/state_vars/shared_mutable/shared_mutable.nr
index 2b72072aa97d..c4c39d2a96aa 100644
--- a/noir-projects/aztec-nr/aztec/src/state_vars/shared_mutable/shared_mutable.nr
+++ b/noir-projects/aztec-nr/aztec/src/state_vars/shared_mutable/shared_mutable.nr
@@ -1,5 +1,5 @@
 use dep::protocol_types::{
-    hash::{pedersen_hash, poseidon2_hash}, header::Header, address::AztecAddress,
+    hash::{poseidon2_hash_with_separator}, header::Header, address::AztecAddress,
     traits::{FromField, ToField}
 };
 
@@ -71,15 +71,15 @@ impl<T, let INITIAL_DELAY: u32, Context> SharedMutable<T, INITIAL_DELAY, Context
     //  - a ScheduledDelaChange
     //  - the hash of both of these (via `hash_scheduled_data`)
     fn get_value_change_storage_slot(self) -> Field {
-        pedersen_hash([self.storage_slot], VALUE_CHANGE_SEPARATOR)
+        poseidon2_hash_with_separator([self.storage_slot], VALUE_CHANGE_SEPARATOR)
     }
 
     fn get_delay_change_storage_slot(self) -> Field {
-        pedersen_hash([self.storage_slot], DELAY_CHANGE_SEPARATOR)
+        poseidon2_hash_with_separator([self.storage_slot], DELAY_CHANGE_SEPARATOR)
     }
 
     fn get_hash_storage_slot(self) -> Field {
-        pedersen_hash([self.storage_slot], HASH_SEPARATOR)
+        poseidon2_hash_with_separator([self.storage_slot], HASH_SEPARATOR)
     }
 
     // It may seem odd that we take a header and address instead of reading from e.g. a PrivateContext, but this lets us