1 files changed, 1 insertions, 1 deletions

diff --git a/src/citra_qt/debugger/callstack.h b/src/citra_qt/debugger/callstack.h
index 1a9b6dc81..7aa83db1e 100644
--- a/src/citra_qt/debugger/callstack.h
+++ b/src/citra_qt/debugger/callstack.h
@@ -12,7 +12,7 @@ class CallstackWidget : public QDockWidget
     Q_OBJECT
 
 public:
-    CallstackWidget(QWidget* parent = 0);
+    CallstackWidget(QWidget* parent = nullptr);
 
 public slots:
     void OnDebugModeEntered();