diff --git a/YACReaderLibrary/server_config_dialog.cpp b/YACReaderLibrary/server_config_dialog.cpp
index 4c7fdbcb..fba9aa9e 100644
--- a/YACReaderLibrary/server_config_dialog.cpp
+++ b/YACReaderLibrary/server_config_dialog.cpp
@@ -113,6 +113,13 @@ ServerConfigDialog::ServerConfigDialog(QWidget *parent)
     connect(check, &QCheckBox::stateChanged, this, &ServerConfigDialog::enableServer);
 }
 
+void ServerConfigDialog::showEvent(QShowEvent *event)
+{
+    QDialog::showEvent(event);
+
+    generateQR();
+}
+
 void ServerConfigDialog::enableServer(int status)
 {
     QSettings *settings = new QSettings(YACReader::getSettingsPath() + "/YACReaderLibrary.ini", QSettings::IniFormat); // TODO unificar la creación del fichero de config con el servidor
diff --git a/YACReaderLibrary/server_config_dialog.h b/YACReaderLibrary/server_config_dialog.h
index 34e51c76..7d0e9cfa 100644
--- a/YACReaderLibrary/server_config_dialog.h
+++ b/YACReaderLibrary/server_config_dialog.h
@@ -13,6 +13,7 @@ class ServerConfigDialog : public QDialog
     Q_OBJECT
 public:
     ServerConfigDialog(QWidget *parent = 0);
+    void showEvent(QShowEvent *event) override;
 
 private:
     QComboBox *ip;