diff --git a/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.jsx b/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.jsx
index c508446b..e58b0270 100644
--- a/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.jsx
+++ b/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.jsx
@@ -62,7 +62,6 @@ const ReviewTx = ({
         let txData = EMPTY_DATA
         let txAmount = web3.utils.toWei(tx.amount, 'ether')
 
-
         if (!isSendingETH) {
           const StandardToken = await getStandardTokenContract()
           const tokenInstance = await StandardToken.at(tx.token.address)
@@ -139,7 +138,7 @@ const ReviewTx = ({
           </Block>
           <Hairline style={{ position: 'absolute', bottom: 85 }} />
           <Row align="center" className={classes.buttonRow}>
-            <Button className={classes.button} minWidth={140} onClick={onClickBack}>
+            <Button className={classes.button} minWidth={140} minHeight={42} onClick={onClickBack}>
               Back
             </Button>
             <Button
@@ -148,6 +147,7 @@ const ReviewTx = ({
               onClick={submitTx}
               variant="contained"
               minWidth={140}
+              minHeight={42}
               color="primary"
               data-testid="submit-tx-btn"
             >
diff --git a/src/routes/safe/components/Balances/SendModal/screens/SendFunds/index.jsx b/src/routes/safe/components/Balances/SendModal/screens/SendFunds/index.jsx
index 6e475652..fe17d457 100644
--- a/src/routes/safe/components/Balances/SendModal/screens/SendFunds/index.jsx
+++ b/src/routes/safe/components/Balances/SendModal/screens/SendFunds/index.jsx
@@ -158,12 +158,13 @@ const SendFunds = ({
                 </Row>
                 <Hairline />
                 <Row align="center" className={classes.buttonRow}>
-                  <Button className={classes.button} minWidth={140} onClick={onClose}>
+                  <Button className={classes.button} minWidth={140} minHeight={42} onClick={onClose}>
                     Cancel
                   </Button>
                   <Button
                     type="submit"
                     variant="contained"
+                    minHeight={42}
                     minWidth={140}
                     color="primary"
                     data-testid="review-tx-btn"
diff --git a/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/ApproveTxModal/index.jsx b/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/ApproveTxModal/index.jsx
index c7bd56e6..35acb344 100644
--- a/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/ApproveTxModal/index.jsx
+++ b/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/ApproveTxModal/index.jsx
@@ -26,6 +26,7 @@ type Props = {
   safeAddress: string,
   threshold: number,
   thresholdReached: boolean,
+  userAddress: string,
 }
 
 const getModalTitleAndDescription = (thresholdReached: boolean) => {
@@ -51,18 +52,19 @@ const ApproveTxModal = ({
   safeAddress,
   threshold,
   thresholdReached,
+  userAddress,
 }: Props) => {
-  const [shouldExecuteTx, setShouldExecuteTx] = useState<boolean>(false)
+  const [approveAndExecute, setApproveAndExecute] = useState<boolean>(false)
   const { title, description } = getModalTitleAndDescription(thresholdReached)
   const oneConfirmationLeft = tx.confirmations.size + 1 === threshold
 
-  const handleExecuteCheckbox = () => setShouldExecuteTx(prevShouldExecute => !prevShouldExecute)
+  const handleExecuteCheckbox = () => setApproveAndExecute(prevApproveAndExecute => !prevApproveAndExecute)
 
   return (
     <SharedSnackbarConsumer>
       {({ openSnackbar }) => {
         const approveTx = () => {
-          processTransaction(safeAddress, tx, openSnackbar, thresholdReached || shouldExecuteTx)
+          processTransaction(safeAddress, tx, openSnackbar, userAddress, approveAndExecute)
           onClose()
         }
 
@@ -92,7 +94,7 @@ const ApproveTxModal = ({
                       transaction right away, click on checkbox below.
                     </Paragraph>
                     <FormControlLabel
-                      control={<Checkbox onChange={handleExecuteCheckbox} checked={shouldExecuteTx} color="primary" />}
+                      control={<Checkbox onChange={handleExecuteCheckbox} checked={approveAndExecute} color="primary" />}
                       label="Execute transaction"
                     />
                   </>
diff --git a/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/index.jsx b/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/index.jsx
index a064e02e..a9f63bea 100644
--- a/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/index.jsx
+++ b/src/routes/safe/components/TransactionsNew/TxsTable/ExpandedTx/index.jsx
@@ -2,9 +2,7 @@
 import React, { useState } from 'react'
 import { List } from 'immutable'
 import { withStyles } from '@material-ui/core/styles'
-import Tabs from '@material-ui/core/Tabs'
 import OpenInNew from '@material-ui/icons/OpenInNew'
-import Tab from '@material-ui/core/Tab'
 import Row from '~/components/layout/Row'
 import Block from '~/components/layout/Block'
 import Col from '~/components/layout/Col'
@@ -16,7 +14,6 @@ import { type Transaction } from '~/routes/safe/store/models/transaction'
 import { type Owner } from '~/routes/safe/store/models/owner'
 import { getEtherScanLink, openTxInEtherScan, getWeb3 } from '~/logic/wallets/getWeb3'
 import { shortVersionOf } from '~/logic/wallets/ethAddresses'
-import { TX_TYPE_CONFIRMATION } from '~/logic/safe/transactions'
 import { secondary } from '~/theme/variables'
 import OwnersColumn from './OwnersColumn'
 import CancelTxModal from './CancelTxModal'
@@ -150,6 +147,7 @@ to:
         processTransaction={processTransaction}
         onClose={closeModal}
         tx={tx}
+        userAddress={userAddress}
         safeAddress={safeAddress}
         threshold={threshold}
         thresholdReached={thresholdReached}
diff --git a/src/routes/safe/store/actions/processTransaction.js b/src/routes/safe/store/actions/processTransaction.js
index a257bf75..043f7261 100644
--- a/src/routes/safe/store/actions/processTransaction.js
+++ b/src/routes/safe/store/actions/processTransaction.js
@@ -9,13 +9,17 @@ import { approveTransaction, executeTransaction, CALL } from '~/logic/safe/trans
 
 // https://gnosis-safe.readthedocs.io/en/latest/contracts/signatures.html#pre-validated-signatures
 // https://github.com/gnosis/safe-contracts/blob/master/test/gnosisSafeTeamEdition.js#L26
-const generateSignaturesFromTxConfirmations = (tx: Transaction) => {
+const generateSignaturesFromTxConfirmations = (tx: Transaction, preApprovingOwner?: string) => {
   // The constant parts need to be sorted so that the recovered signers are sorted ascending
   // (natural order) by address (not checksummed).
-  const confirmedAdresses = tx.confirmations.map(conf => conf.owner.address).sort()
+  let confirmedAdresses = tx.confirmations.map(conf => conf.owner.address)
+
+  if (preApprovingOwner) {
+    confirmedAdresses = confirmedAdresses.push(preApprovingOwner)
+  }
 
   let sigs = '0x'
-  confirmedAdresses.forEach((addr) => {
+  confirmedAdresses.sort().forEach((addr) => {
     sigs += `000000000000000000000000${addr.replace(
       '0x',
       '',
@@ -28,14 +32,19 @@ const processTransaction = (
   safeAddress: string,
   tx: Transaction,
   openSnackbar: Function,
-  shouldExecute?: boolean,
+  userAddress: string,
+  approveAndExecute?: boolean,
 ) => async (dispatch: ReduxDispatch<GlobalState>, getState: GetState<GlobalState>) => {
   const state: GlobalState = getState()
 
   const safeInstance = await getGnosisSafeInstanceAt(safeAddress)
   const from = userAccountSelector(state)
   const nonce = (await safeInstance.nonce()).toString()
-  const sigs = generateSignaturesFromTxConfirmations(tx)
+  const threshold = (await safeInstance.getThreshold()).toNumber()
+  console.log(threshold, tx.confirmations.size)
+  const shouldExecute = threshold === tx.confirmations.size || approveAndExecute
+  const sigs = generateSignaturesFromTxConfirmations(tx, approveAndExecute && userAddress)
+
 
   let txHash
   if (shouldExecute) {