diff --git a/src/ops/deactivatevolumegroupoperation.cpp b/src/ops/deactivatevolumegroupoperation.cpp
index 955bf52..ad7551f 100644
--- a/src/ops/deactivatevolumegroupoperation.cpp
+++ b/src/ops/deactivatevolumegroupoperation.cpp
@@ -1,78 +1,80 @@
 /*************************************************************************
  *  Copyright (C) 2016 by Chantara Tith <tith.chantara@gmail.com>        *
  *                                                                       *
  *  This program is free software; you can redistribute it and/or        *
  *  modify it under the terms of the GNU General Public License as       *
  *  published by the Free Software Foundation; either version 3 of       *
  *  the License, or (at your option) any later version.                  *
  *                                                                       *
  *  This program is distributed in the hope that it will be useful,      *
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  *  GNU General Public License for more details.                         *
  *                                                                       *
  *  You should have received a copy of the GNU General Public License    *
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.*
  *************************************************************************/
 
 #include "ops/deactivatevolumegroupoperation.h"
 #include "jobs/deactivatevolumegroupjob.h"
 #include "jobs/deactivatelogicalvolumejob.h"
 
 #include "core/volumemanagerdevice.h"
 #include "core/partitiontable.h"
 #include "core/partition.h"
+#include "core/raid/softwareraid.h"
 
 #include <QString>
 
 #include <KLocalizedString>
 
 /** Creates a new RemoveVolumeGroupOperation.
 */
 DeactivateVolumeGroupOperation::DeactivateVolumeGroupOperation(VolumeManagerDevice& d) :
     Operation(),
     m_DeactivateVolumeGroupJob(new DeactivateVolumeGroupJob(d)),
     m_DeactivateLogicalVolumeJob(new DeactivateLogicalVolumeJob(d)),
     m_Device(d),
     m_PartitionTable(d.partitionTable())
 {
     addJob(deactivateLogicalVolumeJob());
     addJob(deactivateVolumeGroupJob());
 }
 
 QString DeactivateVolumeGroupOperation::description() const
 {
     return xi18nc("@info/plain", "Deactivate volume group.");
 }
 
 void DeactivateVolumeGroupOperation::preview()
 {
     m_PartitionTable = device().partitionTable();
     device().setPartitionTable(new PartitionTable(PartitionTable::vmd, 0, device().totalLogical() - 1));
 }
 
 void DeactivateVolumeGroupOperation::undo()
 {
     device().setPartitionTable(m_PartitionTable);
 }
 
 /** loop through given device's partitions to check if any is mounted.
  *
  *  @param dev VolumeManagerDevice with initialized partitions
  *  @return false if any of the device's partition is mounted.
  */
 bool DeactivateVolumeGroupOperation::isDeactivatable(const VolumeManagerDevice* dev)
 {
     if (dev->type() == Device::Type::LVM_Device) {
         for (const auto &p : dev->partitionTable()->children())
             if (p->isMounted())
                 return false;
 
         return true;
     }
     else if (dev->type() == Device::Type::SoftwareRAID_Device) {
-        // TODO: Look if this device is contained in configuration file and is in mdstat
+        const SoftwareRAID* raid = static_cast<const SoftwareRAID*>(dev);
+        return raid->status() == SoftwareRAID::Status::Active;
     }
 
     return false;
 }