diff --git a/src/fs/luks.cpp b/src/fs/luks.cpp
index 0401244..dac2400 100644
--- a/src/fs/luks.cpp
+++ b/src/fs/luks.cpp
@@ -73,6 +73,7 @@ void luks::init()
     m_GetLabel = cmdSupportFileSystem;
     m_UpdateUUID = findExternal(QStringLiteral("cryptsetup")) ? cmdSupportFileSystem : cmdSupportNone;
     m_Grow = findExternal(QStringLiteral("cryptsetup")) ? cmdSupportFileSystem : cmdSupportNone;
+    m_Check = cmdSupportCore;
     m_Copy = cmdSupportCore;
     m_Move = cmdSupportCore;
     m_Backup = cmdSupportCore;
@@ -131,7 +132,7 @@ bool luks::supportToolFound() const
         m_GetLabel != cmdSupportNone &&
         m_SetLabel != cmdSupportNone &&
         m_Create != cmdSupportNone &&
-//          m_Check != cmdSupportNone &&
+        m_Check != cmdSupportNone &&
         m_UpdateUUID != cmdSupportNone &&
         m_Grow != cmdSupportNone &&
 //          m_Shrink != cmdSupportNone &&
@@ -336,6 +337,17 @@ void luks::createInnerFileSystem(FileSystem::Type type)
     m_innerFs = FileSystemFactory::cloneWithNewType(type, *this);
 }
 
+bool luks::check(Report& report, const QString& deviceNode) const
+{
+    Q_ASSERT(m_innerFs);
+
+    QString mapperNode = mapperName(deviceNode);
+    if (mapperNode.isEmpty())
+        return false;
+
+    return m_innerFs->check(report, mapperNode);
+}
+
 bool luks::mount(const QString& deviceNode, const QString& mountPoint)
 {
     if (!m_isCryptOpen)
diff --git a/src/fs/luks.h b/src/fs/luks.h
index fa802fa..9786694 100644
--- a/src/fs/luks.h
+++ b/src/fs/luks.h
@@ -73,7 +73,11 @@ public:
         return m_Move;
     }
     virtual CommandSupportType supportCheck() const {
-        return m_Check;
+        if (!m_isCryptOpen)
+            return cmdSupportNone;
+        if (m_Check && m_innerFs)
+            return m_innerFs->supportShrink();
+        return cmdSupportNone;
     }
     virtual CommandSupportType supportCopy() const {
         return m_Copy;
@@ -91,6 +95,7 @@ public:
         return m_GetUUID;
     }
 
+    virtual bool check(Report& report, const QString& deviceNode) const override;
     virtual bool create(Report &report, const QString &deviceNode) const override;
     virtual qint64 minCapacity() const;
     virtual SupportTool supportToolName() const;