diff --git a/README.md b/README.md
index dc3ddac6..c8a40d5e 100644
--- a/README.md
+++ b/README.md
@@ -257,7 +257,7 @@ Daily rewards for the user who has made a deposit in the vault. With the help of
 | userAddress | `string` | **Require** | - |
 | dateFrom | `number` | **Require** | Time to start |
 | dateTo | `number` | **Optional** | Time to end |
-| fillGaps | `boolean` | **Optional** | To fill in all the days, or not |
+| fillGaps | `boolean` | **Optional** | Fill in the empty days with zeros |
 
 #### Returns:
 
@@ -272,7 +272,7 @@ type UserReward = {
 }
 
 type Output = {
-  days: Record<number, UserReward> | []
+  days: Record<number, UserReward>
 }
 ```
 
diff --git a/src/methods/vault/requests/getUserRewards/index.ts b/src/methods/vault/requests/getUserRewards/index.ts
index 06216d75..bd93ae94 100644
--- a/src/methods/vault/requests/getUserRewards/index.ts
+++ b/src/methods/vault/requests/getUserRewards/index.ts
@@ -9,8 +9,8 @@ type GetUserRewardsInput = {
   options: StakeWise.Options
   userAddress: UserRewardsQueryVariables['user']
   vaultAddress: UserRewardsQueryVariables['vaultAddress']
-  dateFrom: string
-  dateTo?: string
+  dateFrom: number
+  dateTo?: number
   fillGaps?: boolean
 }
 
@@ -18,19 +18,19 @@ const getUserRewards = async (input: GetUserRewardsInput) => {
   const { options, vaultAddress, userAddress, dateFrom, dateTo, fillGaps } = input
 
   validateArgs.address({ vaultAddress, userAddress })
-  validateArgs.string({ dateFrom })
+  validateArgs.number({ dateFrom })
 
   if (dateTo) {
-    validateArgs.string({ dateTo })
+    validateArgs.number({ dateTo })
   }
 
   const data = await graphql.backend.vault.fetchUserRewardsQuery<ModifyUserReward>({
     url: apiUrls.getBackendUrl(options),
     variables: {
-      dateTo,
-      dateFrom,
       fillGaps,
+      dateFrom: String(dateFrom),
       user: userAddress.toLowerCase(),
+      dateTo: dateTo ? String(dateTo) : undefined,
       vaultAddress: vaultAddress.toLowerCase(),
     } as UserRewardsQueryVariables,
     modifyResult: modifyUserRewards,