diff --git a/src/app/puzzle/puzzleapplication.cpp b/src/app/puzzle/puzzleapplication.cpp
index 4c41359df..abcbc4f08 100644
--- a/src/app/puzzle/puzzleapplication.cpp
+++ b/src/app/puzzle/puzzleapplication.cpp
@@ -444,7 +444,7 @@ void PuzzleApplication::ActivateDarkMode()
 //---------------------------------------------------------------------------------------------------------------------
 void PuzzleApplication::ParseCommandLine(const SocketConnection &connection, const QStringList &arguments)
 {
-    std::shared_ptr<VPuzzleCommandLine>cmd = CommandLine();
+    VPuzzleCommandLinePtr cmd = CommandLine();
 //    QCommandLineParser parser;
 //    parser.setApplicationDescription(tr("Valentina's manual layout editor."));
 //    parser.addHelpOption();
@@ -641,7 +641,7 @@ void PuzzleApplication::Clean()
 }
 
 //--------------------------------------------------------------------------------------------
-const std::shared_ptr<VPuzzleCommandLine> PuzzleApplication::CommandLine()
+const VPuzzleCommandLinePtr PuzzleApplication::CommandLine()
 {
     return VPuzzleCommandLine::instance;
 }
diff --git a/src/app/puzzle/puzzleapplication.h b/src/app/puzzle/puzzleapplication.h
index 780ea0617..73d22c03b 100644
--- a/src/app/puzzle/puzzleapplication.h
+++ b/src/app/puzzle/puzzleapplication.h
@@ -71,7 +71,7 @@ public:
     void ActivateDarkMode();
 
     void ParseCommandLine(const SocketConnection &connection, const QStringList &arguments);
-    const std::shared_ptr<VPuzzleCommandLine> CommandLine();
+    const VPuzzleCommandLinePtr CommandLine();
 public slots:
     void ProcessCMD();
 
diff --git a/src/app/puzzle/vpuzzlecommandline.cpp b/src/app/puzzle/vpuzzlecommandline.cpp
index 4b54e9ad9..bd34962d6 100644
--- a/src/app/puzzle/vpuzzlecommandline.cpp
+++ b/src/app/puzzle/vpuzzlecommandline.cpp
@@ -76,7 +76,7 @@ VPuzzleCommandLine::VPuzzleCommandLine():
 }
 
 //-------------------------------------------------------------------------------------------
-std::shared_ptr<VPuzzleCommandLine> VPuzzleCommandLine::Instance(const QCoreApplication &app)
+VPuzzleCommandLinePtr VPuzzleCommandLine::Instance(const QCoreApplication &app)
 {
     if (instance == nullptr)
     {
diff --git a/src/app/puzzle/vpuzzlecommandline.h b/src/app/puzzle/vpuzzlecommandline.h
index d802e3c73..737592e89 100644
--- a/src/app/puzzle/vpuzzlecommandline.h
+++ b/src/app/puzzle/vpuzzlecommandline.h
@@ -5,6 +5,9 @@
 #include <QCoreApplication>
 #include <QCommandLineParser>
 
+class VPuzzleCommandLine;
+using VPuzzleCommandLinePtr = std::shared_ptr<VPuzzleCommandLine>;
+
 class VPuzzleCommandLine: public QObject
 {
     friend class PuzzleApplication;
@@ -44,13 +47,11 @@ public:
 protected:
     VPuzzleCommandLine();
 
-    /**
-     * @brief create the single instance of the class inside puzzleapplication
-     */
-    static std::shared_ptr<VPuzzleCommandLine> Instance(const QCoreApplication &app);
+    /** @brief create the single instance of the class inside puzzleapplication */
+    static VPuzzleCommandLinePtr Instance(const QCoreApplication &app);
 private:
     Q_DISABLE_COPY(VPuzzleCommandLine)
-    static std::shared_ptr<VPuzzleCommandLine> instance;
+    static VPuzzleCommandLinePtr instance;
     QCommandLineParser parser;
     bool isGuiEnabled;