diff --git a/src/fs/minix.cpp b/src/fs/minix.cpp
index 0998c20..cbd4038 100644
--- a/src/fs/minix.cpp
+++ b/src/fs/minix.cpp
@@ -1,86 +1,88 @@
  /*************************************************************************
  *  Copyright (C) 2019 by Shubham <aryan100jangid@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 "fs/minix.h"
 
 #include "util/capacity.h"
 #include "util/externalcommand.h"
 
+#include <QString>
+
 namespace FS
 {
 FileSystem::CommandSupportType minix::m_GetLabel = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_GetUsed = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_Shrink = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_Move = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_Check = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_Create = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_Copy = FileSystem::cmdSupportNone;
 FileSystem::CommandSupportType minix::m_Backup = FileSystem::cmdSupportNone;
 
 minix::minix(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
     FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::Type::Minix)
 {
 }
 
 void minix::init()
 {
     m_Check = findExternal(QStringLiteral("fsck.minix"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
     m_Create = findExternal(QStringLiteral("mkfs.minix"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
     m_Copy = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
     m_Move = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
     m_Backup = cmdSupportCore;
     m_GetLabel = cmdSupportCore;
 }
 
 bool minix::supportToolFound() const
 {
     return m_GetLabel != cmdSupportNone &&
            m_Create != cmdSupportNone &&
            m_Check != cmdSupportNone &&
            m_Copy != cmdSupportNone &&
            m_Move != cmdSupportNone &&
            m_Backup != cmdSupportNone;
 }
 
 FileSystem::SupportTool minix::supportToolName() const
 {
     return SupportTool(QStringLiteral("util-linux"), QUrl(QStringLiteral("https://www.kernel.org/pub/linux/utils/util-linux/")));
 }
 
 qint64 minix::maxCapacity() const
 {
     return 4 * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::GiB);
 }
 
 int minix::maxLabelLength() const
 {
     return 63;
 }
 
 bool minix::check(Report& report, const QString& deviceNode) const
 {
     ExternalCommand cmd(report, QStringLiteral("fsck.minix"), { deviceNode });
     return cmd.run(-1) && cmd.exitCode() == 0;
 }
 
 bool minix::create(Report& report, const QString& deviceNode)
 {
     ExternalCommand cmd(report, QStringLiteral("mkfs.minix"), { QStringLiteral("-3"), deviceNode });
     return cmd.run(-1) && cmd.exitCode() == 0;
 }
 
 }
diff --git a/src/fs/minix.h b/src/fs/minix.h
index d950c7a..2d7b6ee 100644
--- a/src/fs/minix.h
+++ b/src/fs/minix.h
@@ -1,91 +1,93 @@
  /*************************************************************************
  *  Copyright (C) 2019 by Shubham <aryan100jangid@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/>.*
  *************************************************************************/
  
 #ifndef KPMCORE_MINIX_H
 #define KPMCORE_MINIX_H
 
 #include "fs/filesystem.h"
 
 #include "util/libpartitionmanagerexport.h"
 
 class Report;
 
+class QString;
+
 namespace FS
 {
 /** A minix(Mini Unix) file system.
     @author Shubham <aryan100jangid@gmail.com>
  */    
 class LIBKPMCORE_EXPORT minix : public FileSystem
 {
 public:
     minix(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label);
     
     void init() override;
     
     bool check(Report& report, const QString&deviceNode) const override;
     bool create(Report& report, const QString&deviceNode) override;
     
     CommandSupportType supportGetLabel() const override {
         return m_GetLabel;
     }
     
     CommandSupportType supportGetUsed() const override {
         return m_GetUsed;
     }
 
     CommandSupportType supportShrink() const override {
         return m_Shrink;
     }
 
     CommandSupportType supportMove() const override {
         return m_Move;
     }
     
     CommandSupportType supportCheck() const override {
         return m_Check;
     }
     
     CommandSupportType supportCreate() const override {
         return m_Create;
     }
     
     CommandSupportType supportCopy() const override {
         return m_Copy;
     }
     
     CommandSupportType supportBackup() const override {
         return m_Backup;
     }
 
     qint64 maxCapacity() const override;
     int maxLabelLength() const override;
     SupportTool supportToolName() const override;
     bool supportToolFound() const override;
 
 public:
     static CommandSupportType m_GetLabel;
     static CommandSupportType m_GetUsed;
     static CommandSupportType m_Shrink;
     static CommandSupportType m_Move;
     static CommandSupportType m_Create;
     static CommandSupportType m_Check;
     static CommandSupportType m_Copy;
     static CommandSupportType m_Backup;
 };
 }
 
 #endif