--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -156,9 +156,12 @@
 		type EvmBackwardsAddressMapping: up_evm_mapping::EvmBackwardsAddressMapping<Self::AccountId>;
 
 		type Currency: Currency<Self::AccountId>;
+
+		#[pallet::constant]
 		type CollectionCreationPrice: Get<
 			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,
 		>;
+
 		type TreasuryAccountId: Get<Self::AccountId>;
 	}