diff --git a/src/prefs/devices/DevicesWindow.cpp b/src/prefs/devices/DevicesWindow.cpp
index be0aba0361..8f319f8e39 100644
--- a/src/prefs/devices/DevicesWindow.cpp
+++ b/src/prefs/devices/DevicesWindow.cpp
@@ -125,7 +125,7 @@ DevicesWindow::~DevicesWindow()
 {
 	void *item;
 	while ((item = fList.RemoveItem((int32)0)))
-		delete item;
+		delete (DevicesInfo*)item;
 	uninit_cm_wrapper();
 }
 // ---------------------------------------------------------------------------------------------------------- //
diff --git a/src/prefs/filetypes/FileTypesApp.h b/src/prefs/filetypes/FileTypesApp.h
index 973f595b94..37be0294f3 100644
--- a/src/prefs/filetypes/FileTypesApp.h
+++ b/src/prefs/filetypes/FileTypesApp.h
@@ -13,6 +13,7 @@ class FileTypesApp
 public:
 					FileTypesApp();
 	virtual void 	MessageReceived(BMessage *message);
+	virtual	void	ArgvReceived(int32 argc, char ** argv) { BApplication::ArgvReceived(argc, argv); }
 	virtual	void	ArgvReceived(int32 argc, const char *argv[], const char * cwd);
 	virtual void	RefsReceived(BMessage *message);
 	virtual void	ReadyToRun();