diff --git a/lib/qtermwidget.cpp b/lib/qtermwidget.cpp
index 165b431..e1ee4b3 100644
--- a/lib/qtermwidget.cpp
+++ b/lib/qtermwidget.cpp
@@ -49,7 +49,9 @@ void *createTermWidget(int startnow, void *parent)
     return (void*) new QTermWidget(startnow, (QWidget*)parent);
 }
 
-struct TermWidgetImpl {
+class TermWidgetImpl {
+
+public:
     TermWidgetImpl(QWidget* parent = nullptr);
 
     TerminalDisplay *m_terminalDisplay;
diff --git a/lib/qtermwidget.h b/lib/qtermwidget.h
index ea0e828..e9447df 100644
--- a/lib/qtermwidget.h
+++ b/lib/qtermwidget.h
@@ -27,7 +27,7 @@
 #include "qtermwidget_export.h"
 
 class QVBoxLayout;
-struct TermWidgetImpl;
+class TermWidgetImpl;
 class SearchBar;
 class QUrl;