diff --git a/core/src/main/java/org/apache/cloudstack/backup/RestoreBackupCommand.java b/core/src/main/java/org/apache/cloudstack/backup/RestoreBackupCommand.java
index 9cbb87da19a9..8e68f4f1e41c 100644
--- a/core/src/main/java/org/apache/cloudstack/backup/RestoreBackupCommand.java
+++ b/core/src/main/java/org/apache/cloudstack/backup/RestoreBackupCommand.java
@@ -149,7 +149,7 @@ public void setBackupVolumesUUIDs(List<String> backupVolumesUUIDs) {
     }
 
     public Integer getMountTimeout() {
-        return this.mountTimeout;
+        return this.mountTimeout == null ? 0 : this.mountTimeout;
     }
 
     public void setMountTimeout(Integer mountTimeout) {
diff --git a/plugins/backup/nas/src/main/java/org/apache/cloudstack/backup/NASBackupProvider.java b/plugins/backup/nas/src/main/java/org/apache/cloudstack/backup/NASBackupProvider.java
index 3813cac0a33f..3b2c2692b0df 100644
--- a/plugins/backup/nas/src/main/java/org/apache/cloudstack/backup/NASBackupProvider.java
+++ b/plugins/backup/nas/src/main/java/org/apache/cloudstack/backup/NASBackupProvider.java
@@ -405,6 +405,7 @@ public Pair<Boolean, String> restoreBackedUpVolume(Backup backup, Backup.VolumeI
         restoreCommand.setVmExists(null);
         restoreCommand.setVmState(vmNameAndState.second());
         restoreCommand.setRestoreVolumeUUID(backupVolumeInfo.getUuid());
+        restoreCommand.setMountTimeout(NASBackupRestoreMountTimeout.value());
 
         BackupAnswer answer;
         try {