diff --git a/packages/page-accounts/src/modals/MultisigApprove.tsx b/packages/page-accounts/src/modals/MultisigApprove.tsx
index 89a527568b..48b85cac11 100644
--- a/packages/page-accounts/src/modals/MultisigApprove.tsx
+++ b/packages/page-accounts/src/modals/MultisigApprove.tsx
@@ -51,7 +51,7 @@ function MultisigApprove ({ className = '', onClose, ongoing, threshold, who }:
   const { allAccounts } = useAccounts();
   const [callHex, setCallHex] = useState<string>('');
   const [{ callData, callError, callInfo }, setCallData] = useState<CallData>(EMPTY_CALL);
-  const [callWeight] = useWeight(callData);
+  const [callWeight, callLength] = useWeight(callData);
   const [hash, setHash] = useState<string | null>(() => ongoing[0][0].toHex());
   const [{ isMultiCall, multisig }, setMultisig] = useState<MultiInfo>(() => ({ isMultiCall: false, multisig: null }));
   const [isCallOverride, setCallOverride] = useState(true);
@@ -277,7 +277,7 @@ function MultisigApprove ({ className = '', onClose, ongoing, threshold, who }:
           accountId={signatory}
           extrinsic={tx}
           icon={isAye ? 'check' : 'times'}
-          isDisabled={!tx || (isAye && !whoFilter.length)}
+          isDisabled={!tx || (isAye && !whoFilter.length) || !callLength}
           label={isAye ? 'Approve' : 'Reject'}
           onStart={onClose}
         />