diff --git a/libs/qm-dsp/base/KaiserWindow.h b/libs/qm-dsp/base/KaiserWindow.h
index f16a4b6c16..0253d6d4c4 100644
--- a/libs/qm-dsp/base/KaiserWindow.h
+++ b/libs/qm-dsp/base/KaiserWindow.h
@@ -81,7 +81,7 @@ public:
     }
 
     const double *getWindow() const { 
-	return m_window.data();
+	return &m_window[0];
     }
 
     void cut(double *src) const {