diff --git a/src/hooks/loadables/useLoadRecovery.ts b/src/hooks/loadables/useLoadRecovery.ts
index f42bbc6e3c..564b923573 100644
--- a/src/hooks/loadables/useLoadRecovery.ts
+++ b/src/hooks/loadables/useLoadRecovery.ts
@@ -36,12 +36,12 @@ const getRecoveryState = async (delayModifier: Delay): Promise<RecoveryState[num
         const validFrom = BigNumber.from(txBlock.timestamp).add(txCooldown)
         const expiresAt = txExpiration.isZero()
           ? null // Never expires
-          : validFrom.add(txExpiration).toString()
+          : validFrom.add(txExpiration)
 
         return {
           ...event,
           timestamp: txBlock.timestamp,
-          validFrom: validFrom.toString(),
+          validFrom,
           expiresAt,
         }
       }),
@@ -50,10 +50,10 @@ const getRecoveryState = async (delayModifier: Delay): Promise<RecoveryState[num
   return {
     address: delayModifier.address,
     modules,
-    txExpiration: txExpiration.toString(),
-    txCooldown: txCooldown.toString(),
-    txNonce: txNonce.toString(),
-    queueNonce: queueNonce.toString(),
+    txExpiration,
+    txCooldown,
+    txNonce,
+    queueNonce,
     queue,
   }
 }
diff --git a/src/store/recoverySlice.ts b/src/store/recoverySlice.ts
index 7b317ed0e1..a570e88325 100644
--- a/src/store/recoverySlice.ts
+++ b/src/store/recoverySlice.ts
@@ -1,21 +1,22 @@
 import { createSelector } from '@reduxjs/toolkit'
 import type { TransactionAddedEvent } from '@gnosis.pm/zodiac/dist/cjs/types/Delay'
+import type { BigNumber } from 'ethers'
 
 import { makeLoadableSlice } from './common'
 
 type QueuedTransactionAdded = TransactionAddedEvent & {
   timestamp: number
-  validFrom: string
-  expiresAt: string | null
+  validFrom: BigNumber
+  expiresAt: BigNumber | null
 }
 
 export type RecoveryState = Array<{
   address: string
   modules: Array<string>
-  txExpiration: string
-  txCooldown: string
-  txNonce: string
-  queueNonce: string
+  txExpiration: BigNumber
+  txCooldown: BigNumber
+  txNonce: BigNumber
+  queueNonce: BigNumber
   queue: Array<QueuedTransactionAdded>
 }>