--- a/libkwave/WindowFunction.cpp
+++ b/libkwave/WindowFunction.cpp
@@ -34,7 +34,7 @@
 //***************************************************************************
 //***************************************************************************
 
-WindowFunction::InitializedTypesMap::InitializedTypesMap()
+void WindowFunction::InitializedTypesMap::fill()
 {
     append(WINDOW_FUNC_NONE,       WINDOW_FUNC_NONE,
            "none", "None");