diff --git a/pallets/slow-clap/Cargo.toml b/pallets/slow-clap/Cargo.toml
index 446e1e9..bd90e83 100644
--- a/pallets/slow-clap/Cargo.toml
+++ b/pallets/slow-clap/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ghost-slow-clap"
-version = "0.3.48"
+version = "0.3.49"
 description = "Applause protocol for the EVM bridge"
 license.workspace = true
 authors.workspace = true
diff --git a/pallets/slow-clap/src/lib.rs b/pallets/slow-clap/src/lib.rs
index 678e70a..d6778e9 100644
--- a/pallets/slow-clap/src/lib.rs
+++ b/pallets/slow-clap/src/lib.rs
@@ -399,6 +399,14 @@ pub mod pallet {
                     None => return InvalidTransaction::BadSigner.into(),
                 };
 
+                if ClapsInSession::<T>::get(&session_index)
+                    .get(&clap.authority_index)
+                    .map(|info| info.disabled)
+                    .unwrap_or_default()
+                {
+                    return InvalidTransaction::BadSigner.into(); 
+                }
+
                 let signature_valid =
                     clap.using_encoded(|encoded_clap| authority.verify(&encoded_clap, signature));
 
@@ -507,14 +515,14 @@ impl<T: Config> Pallet<T> {
             Error::<T>::CurrentValidatorIsDisabled
         );
 
-        let disabled_authorites = claps_in_session
+        let disabled_authorities = claps_in_session
             .values()
             .filter(|info| info.disabled)
             .count();
 
         let active_authorities = Authorities::<T>::get(&session_index)
             .len()
-            .saturating_sub(disabled_authorites);
+            .saturating_sub(disabled_authorities);
 
         let received_claps_key = (session_index, &clap.transaction_hash, &clap_unique_hash);
 
@@ -637,12 +645,12 @@ impl<T: Config> Pallet<T> {
             .cloned()
             .collect::<BTreeSet<T::AuthorityId>>();
 
-        let disabled_authorites = ClapsInSession::<T>::get(&prev_session_index)
+        let disabled_authorities = ClapsInSession::<T>::get(&prev_session_index)
             .values()
             .filter(|info| info.disabled)
             .count();
 
-        let active_authorities = prev_authorities.len().saturating_sub(disabled_authorites);
+        let active_authorities = prev_authorities.len().saturating_sub(disabled_authorities);
 
         let summary_authority_claps_length = curr_received_claps
             .symmetric_difference(&prev_received_claps)
diff --git a/pallets/slow-clap/src/tests.rs b/pallets/slow-clap/src/tests.rs
index 4ea4424..7d95591 100644
--- a/pallets/slow-clap/src/tests.rs
+++ b/pallets/slow-clap/src/tests.rs
@@ -710,7 +710,7 @@ fn should_throw_error_if_validator_disabled_and_ignore_later() {
         assert_eq!(Session::disable_index(0), true);
         assert_err!(
             do_clap_from(session_index, network_id, 0, false),
-            Error::<Runtime>::CurrentValidatorIsDisabled
+            DispatchError::Other("Invalid signing address")
         );
 
         assert_eq!(pallet::ReceivedClaps::<Runtime>::get(&storage_key).len(), 0);