diff --git a/dashboard/src/views/backups.html b/dashboard/src/views/backups.html
index 0988d9c51..b9aa0fe29 100644
--- a/dashboard/src/views/backups.html
+++ b/dashboard/src/views/backups.html
@@ -391,10 +391,10 @@
           <div  uib-collapse="!configureBackup.advancedVisible">
 
             <div class="form-group">
-              <label class="control-label">{{ 'backups.configureBackupStorage.memoryLimit' | tr }}: <b>{{ configureBackup.memoryLimit | prettyBinarySize:'800 MB' }}</b></label>
+              <label class="control-label">{{ 'backups.configureBackupStorage.memoryLimit' | tr }}: <b>{{ configureBackup.memoryLimit | prettyBinarySize:'1024 MB' }}</b></label>
               <p class="small">{{ 'backups.configureBackupStorage.memoryLimitDescription' | tr }}</p>
               <div style="padding: 0 10px;">
-                <slider id="sliderConfigureBackupMemoryLimit" ng-model="configureBackup.memoryLimit" step="134217728" tooltip="hide" ticks="configureBackup.memoryTicks" ticks-snap-bounds="67108864"></slider>
+                <slider id="sliderConfigureBackupMemoryLimit" ng-model="configureBackup.memoryLimit" step="536870912" tooltip="hide" ticks="configureBackup.memoryTicks" ticks-snap-bounds="67108864"></slider>
               </div>
             </div>
 
diff --git a/dashboard/src/views/backups.js b/dashboard/src/views/backups.js
index ef6093e2e..c6017c6e1 100644
--- a/dashboard/src/views/backups.js
+++ b/dashboard/src/views/backups.js
@@ -7,7 +7,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
     Client.onReady(function () { if (!Client.getUserInfo().isAtLeastAdmin) $location.path('/'); });
 
     $scope.SECRET_PLACEHOLDER = SECRET_PLACEHOLDER;
-    $scope.MIN_MEMORY_LIMIT = 800 * 1024 * 1024;
+    $scope.MIN_MEMORY_LIMIT = 1000 * 1024 * 1024;
 
     $scope.config = Client.getConfig();
     $scope.user = Client.getUserInfo();
@@ -541,7 +541,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
             $scope.configureBackup.chown = $scope.backupConfig.chown;
 
             var limits = $scope.backupConfig.limits || {};
-            $scope.configureBackup.memoryLimit = limits.memoryLimit;
+            $scope.configureBackup.memoryLimit = Math.max(limits.memoryLimit, $scope.MIN_MEMORY_LIMIT);
 
             $scope.configureBackup.uploadPartSize = limits.uploadPartSize || ($scope.configureBackup.provider === 'scaleway-objectstorage' ? 100 * 1024 * 1024 : 10 * 1024 * 1024);
             $scope.configureBackup.downloadConcurrency = limits.downloadConcurrency || ($scope.backupConfig.provider === 's3' ? 30 : 10);