diff --git a/Cargo.lock b/Cargo.lock
index e877cd9d2486..b80dbc771382 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11132,6 +11132,7 @@ dependencies = [
 name = "pallet-parameters"
 version = "0.1.0"
 dependencies = [
+ "cumulus-primitives-storage-weight-reclaim",
  "docify",
  "frame-benchmarking",
  "frame-support",
diff --git a/substrate/frame/parameters/Cargo.toml b/substrate/frame/parameters/Cargo.toml
index b718b391019a..7504e67cedb0 100644
--- a/substrate/frame/parameters/Cargo.toml
+++ b/substrate/frame/parameters/Cargo.toml
@@ -19,6 +19,7 @@ frame-system = { path = "../system", default-features = false }
 sp-core = { path = "../../primitives/core", default-features = false }
 sp-runtime = { path = "../../primitives/runtime", default-features = false }
 sp-std = { path = "../../primitives/std", default-features = false }
+cumulus-primitives-storage-weight-reclaim = { path = "../../../cumulus/primitives/storage-weight-reclaim", default-features = false}
 frame-benchmarking = { path = "../benchmarking", default-features = false, optional = true }
 
 [dev-dependencies]
@@ -39,6 +40,7 @@ std = [
 	"sp-core/std",
 	"sp-runtime/std",
 	"sp-std/std",
+	"cumulus-primitives-storage-weight-reclaim/std",
 ]
 runtime-benchmarks = [
 	"frame-benchmarking/runtime-benchmarks",
diff --git a/substrate/frame/parameters/src/lib.rs b/substrate/frame/parameters/src/lib.rs
index 3f85522a3d6b..773a880f37a3 100644
--- a/substrate/frame/parameters/src/lib.rs
+++ b/substrate/frame/parameters/src/lib.rs
@@ -125,6 +125,7 @@ use frame_support::traits::{
 	dynamic_params::{AggregatedKeyValue, IntoKey, Key, RuntimeParameterStore, TryIntoKey},
 	EnsureOriginWithArg,
 };
+use cumulus_primitives_storage_weight_reclaim::get_proof_size;
 
 mod benchmarking;
 #[cfg(test)]
@@ -170,9 +171,17 @@ pub mod pallet {
 	#[pallet::hooks]
 	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {
 		fn on_initialize(_: BlockNumberFor<T>) -> Weight {
+			let proof_size_before: u64 = get_proof_size().unwrap_or(0);
+
 			let items = Parameters::<T>::iter().count() as u64;
 
-			Weight::zero().saturating_add(T::DbWeight::get().reads(items))
+			let proof_size_after: u64 = get_proof_size().unwrap_or(0);
+
+			let proof_size_diff = proof_size_after.saturating_sub(proof_size_before);
+
+			Weight::zero()
+				.saturating_add(T::DbWeight::get().reads(items))
+				.saturating_add(Weight::from_parts(0, proof_size_diff))
 		}
 	}
 
@@ -193,7 +202,7 @@ pub mod pallet {
 	}
 
 	/// Stored parameters.
-	/// 
+	///
 	/// ## Storage Whitelist
 	/// Since we account for all parameters read weight for each block,
 	/// don't double count it in other pallet benchmarks