diff --git a/gui/mainwindow.h b/gui/mainwindow.h
index 15f27e5..61e4286 100644
--- a/gui/mainwindow.h
+++ b/gui/mainwindow.h
@@ -51,7 +51,7 @@ public:
     void createFile(const QString &path, const QString &password);
     void createFile(const QString &path);
 
-public slots:
+public Q_SLOTS:
     // file management
     bool createFile();
     void changePassword();
@@ -64,7 +64,7 @@ protected:
     void closeEvent(QCloseEvent *event);
     void timerEvent(QTimerEvent *event);
 
-private slots:
+private Q_SLOTS:
     // showing dialogs
     void showAboutDialog();
     void showPassowrdGeneratorDialog();
diff --git a/gui/passwordgeneratordialog.h b/gui/passwordgeneratordialog.h
index dc91779..bf2f4a8 100644
--- a/gui/passwordgeneratordialog.h
+++ b/gui/passwordgeneratordialog.h
@@ -21,7 +21,7 @@ public:
     explicit PasswordGeneratorDialog(QWidget *parent = 0);
     ~PasswordGeneratorDialog();
     
-private slots:
+private Q_SLOTS:
     void generateNewPassword();
     void handleCheckedCategoriesChanged();
     void handlePasswordChanged();
diff --git a/model/entrymodel.h b/model/entrymodel.h
index deb0fa0..932884e 100644
--- a/model/entrymodel.h
+++ b/model/entrymodel.h
@@ -67,7 +67,7 @@ public:
     bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
     Qt::DropActions supportedDropActions() const;
 
-public slots:
+public Q_SLOTS:
     void reset();
 
 private:
diff --git a/model/fieldmodel.h b/model/fieldmodel.h
index 1e93c49..13fd80b 100644
--- a/model/fieldmodel.h
+++ b/model/fieldmodel.h
@@ -55,7 +55,7 @@ public:
     QMimeData *mimeData(const QModelIndexList &indexes) const;
     const Io::Field *field(std::size_t row) const;
 
-public slots:
+public Q_SLOTS:
     void setHidePasswords(bool hidePasswords);
     void reset();
 
diff --git a/quickgui/applicationinfo.h b/quickgui/applicationinfo.h
index 946ac06..d4f1729 100644
--- a/quickgui/applicationinfo.h
+++ b/quickgui/applicationinfo.h
@@ -54,13 +54,13 @@ public:
 
     Q_INVOKABLE QString imagePath(const QString image);
 
-protected slots:
+protected Q_SLOTS:
     void notifyPortraitMode(Qt::ScreenOrientation);
 
 protected:
     qreal sizeWithRatio(const qreal height);
 
-signals:
+Q_SIGNALS:
     void currentFileChanged();
     void applicationWidthChanged();
     void portraitModeChanged();