diff --git a/packages/page-contracts/src/Contracts/Call.tsx b/packages/page-contracts/src/Contracts/Call.tsx
index 1b51dd9c41..83677e8619 100644
--- a/packages/page-contracts/src/Contracts/Call.tsx
+++ b/packages/page-contracts/src/Contracts/Call.tsx
@@ -10,8 +10,7 @@ import React, { useCallback, useState, useEffect, useMemo } from 'react';
 import styled from 'styled-components';
 import { Button, Dropdown, IconLink, InputAddress, InputBalance, Modal, TxButton } from '@polkadot/react-components';
 import { PromiseContract as ApiContract } from '@polkadot/api-contract';
-import { useAccountId, useFormField, useToggle } from '@polkadot/react-hooks';
-import { createValue } from '@polkadot/react-params/values';
+import { useAccountId, useFormField } from '@polkadot/react-hooks';
 import { BN_ZERO } from '@polkadot/util';
 
 import { InputMegaGas, Params } from '../shared';
@@ -34,23 +33,24 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
   const callMessage = callContract.abi.messages[callMessageIndex];
   const [accountId, setAccountId] = useAccountId();
   const [endowment, isEndowmentValid, setEndowment] = useFormField<BN>(BN_ZERO);
-  const [isBusy, , setIsBusy] = useToggle();
   const [outcomes, setOutcomes] = useState<ContractCallOutcome[]>([]);
   const [execTx, setExecTx] = useState<SubmittableExtrinsic<'promise'> | null>(null);
-  const [params, setParams] = useState<any[]>(callMessage ? callMessage.args.map(({ type }) => createValue({ type })) : []);
+  const [params, setParams] = useState<any[]>([]);
   const useWeightHook = useWeight();
   const { isValid: isWeightValid, weight } = useWeightHook;
 
   useEffect((): void => {
-    const callMessage = callContract.abi.messages[callMessageIndex];
-
-    setParams(callMessage ? callMessage.args.map(({ type }) => createValue({ type })) : []);
+    setParams([]);
   }, [callContract, callMessageIndex]);
 
   useEffect((): void => {
-    endowment && callContract.hasRpcContractsCall && callMessage.isMutating && setExecTx(
-      () => callContract.exec(callMessage, endowment, weight, ...params)
-    );
+    endowment && callMessage.isMutating && setExecTx((): SubmittableExtrinsic<'promise'> | null => {
+      try {
+        return callContract.exec(callMessage, callMessage.isPayable ? endowment : 0, weight, ...params);
+      } catch (error) {
+        return null;
+      }
+    });
   }, [accountId, callContract, callMessage, endowment, weight, params]);
 
   const _onChangeCallMessageIndexString = useCallback(
@@ -104,7 +104,6 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
         <InputAddress
           defaultValue={accountId}
           help={t<string>('Specify the user account to use for this contract call. And fees will be deducted from this account.')}
-          isDisabled={isBusy}
           label={t<string>('call from account')}
           onChange={setAccountId}
           type='account'
@@ -112,7 +111,6 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
         />
         <InputAddress
           help={t<string>('A deployed contract that has either been deployed or attached. The address and ABI are used to construct the parameters.')}
-          isDisabled={isBusy}
           label={t<string>('contract to use')}
           onChange={onChangeCallContractAddress}
           type='contract'
@@ -123,7 +121,6 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
             <Dropdown
               defaultValue={`${callMessageIndex}`}
               help={t<string>('The message to send to this contract. Parameters are adjusted based on the ABI provided.')}
-              isDisabled={isBusy}
               isError={callMessage === null}
               label={t<string>('message to send')}
               onChange={_onChangeCallMessageIndexString}
@@ -131,7 +128,6 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
               value={`${callMessageIndex}`}
             />
             <Params
-              isDisabled={isBusy}
               onChange={setParams}
               params={
                 callMessage
@@ -141,10 +137,9 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
             />
           </>
         )}
-        {!isViaRpc && (
+        {!isViaRpc && callMessage.isPayable && (
           <InputBalance
             help={t<string>('The allotted value for this contract, i.e. the amount transferred to the contract as part of this call.')}
-            isDisabled={isBusy}
             isError={!isEndowmentValid}
             isZeroable
             label={t<string>('value')}
@@ -197,9 +192,6 @@ function Call ({ callContract, callMessageIndex, className = '', onChangeCallCon
               icon='sign-in-alt'
               isDisabled={!isValid}
               label={t('Execute')}
-              onClick={(): void => setIsBusy(true)}
-              onFailed={(): void => setIsBusy(false)}
-              onSuccess={(): void => setIsBusy(false)}
               withSpinner
             />
           )
diff --git a/packages/react-components/src/TxButton.tsx b/packages/react-components/src/TxButton.tsx
index 7202054ae9..2debed63da 100644
--- a/packages/react-components/src/TxButton.tsx
+++ b/packages/react-components/src/TxButton.tsx
@@ -6,7 +6,7 @@ import { TxButtonProps as Props } from './types';
 
 import React, { useCallback, useContext, useEffect, useState } from 'react';
 import { SubmittableResult } from '@polkadot/api';
-import { useApi } from '@polkadot/react-hooks';
+import { useApi, useIsMountedRef } from '@polkadot/react-hooks';
 import { assert, isFunction } from '@polkadot/util';
 
 import Button from './Button';
@@ -16,6 +16,7 @@ import { useTranslation } from './translate';
 function TxButton ({ accountId, className = '', extrinsic: propsExtrinsic, icon, isBasic, isBusy, isDisabled, isIcon, isToplevel, isUnsigned, label, onClick, onFailed, onSendRef, onStart, onSuccess, onUpdate, params, tooltip, tx, withSpinner, withoutLink }: Props): React.ReactElement<Props> {
   const { t } = useTranslation();
   const { api } = useApi();
+  const mountedRef = useIsMountedRef();
   const { queueExtrinsic } = useContext(StatusContext);
   const [isSending, setIsSending] = useState(false);
   const [isStarted, setIsStarted] = useState(false);
@@ -27,25 +28,27 @@ function TxButton ({ accountId, className = '', extrinsic: propsExtrinsic, icon,
 
   const _onFailed = useCallback(
     (result: SubmittableResult | null): void => {
-      setIsSending(false);
+      mountedRef.current && setIsSending(false);
 
       onFailed && onFailed(result);
     },
-    [onFailed, setIsSending]
+    [onFailed, setIsSending, mountedRef]
   );
 
   const _onSuccess = useCallback(
     (result: SubmittableResult): void => {
-      setIsSending(false);
+      mountedRef.current && setIsSending(false);
 
       onSuccess && onSuccess(result);
     },
-    [onSuccess, setIsSending]
+    [onSuccess, setIsSending, mountedRef]
   );
 
   const _onStart = useCallback(
-    () => setIsStarted(true),
-    [setIsStarted]
+    (): void => {
+      mountedRef.current && setIsStarted(true);
+    },
+    [setIsStarted, mountedRef]
   );
 
   const _onSend = useCallback(
@@ -72,9 +75,7 @@ function TxButton ({ accountId, className = '', extrinsic: propsExtrinsic, icon,
 
       assert(extrinsics?.length, 'Expected generated extrinsic passed to TxButton');
 
-      if (withSpinner) {
-        setIsSending(true);
-      }
+      mountedRef.current && withSpinner && setIsSending(true);
 
       extrinsics.forEach((extrinsic): void => {
         queueExtrinsic({
@@ -90,7 +91,7 @@ function TxButton ({ accountId, className = '', extrinsic: propsExtrinsic, icon,
 
       onClick && onClick();
     },
-    [_onFailed, _onStart, _onSuccess, accountId, api.tx, isUnsigned, onClick, onFailed, onSuccess, onUpdate, params, propsExtrinsic, queueExtrinsic, setIsSending, tx, withSpinner]
+    [_onFailed, _onStart, _onSuccess, accountId, api.tx, isUnsigned, onClick, onFailed, onSuccess, onUpdate, params, propsExtrinsic, queueExtrinsic, setIsSending, tx, withSpinner, mountedRef]
   );
 
   if (onSendRef) {
diff --git a/packages/react-hooks/src/useToggle.ts b/packages/react-hooks/src/useToggle.ts
index 42da4e6da5..e216a641b8 100644
--- a/packages/react-hooks/src/useToggle.ts
+++ b/packages/react-hooks/src/useToggle.ts
@@ -3,13 +3,25 @@
 
 import { useCallback, useEffect, useState } from 'react';
 
+import useIsMountedRef from './useIsMountedRef';
+
 // Simple wrapper for a true/false toggle
 export default function useToggle (defaultValue = false, onToggle?: (isActive: boolean) => void): [boolean, () => void, (value: boolean) => void] {
+  const mountedRef = useIsMountedRef();
   const [isActive, setActive] = useState(defaultValue);
 
-  const toggleActive = useCallback(
-    () => setActive((isActive: boolean) => !isActive),
-    []
+  const _toggleActive = useCallback(
+    (): void => {
+      mountedRef.current && setActive((isActive) => !isActive);
+    },
+    [mountedRef]
+  );
+
+  const _setActive = useCallback(
+    (isActive: boolean): void => {
+      mountedRef.current && setActive(isActive);
+    },
+    [mountedRef]
   );
 
   useEffect(
@@ -17,5 +29,5 @@ export default function useToggle (defaultValue = false, onToggle?: (isActive: b
     [isActive, onToggle]
   );
 
-  return [isActive, toggleActive, setActive];
+  return [isActive, _toggleActive, _setActive];
 }