diff --git a/src/preferences/media/MediaViews.cpp b/src/preferences/media/MediaViews.cpp
index c1a3957cab..3bf5c401f8 100644
--- a/src/preferences/media/MediaViews.cpp
+++ b/src/preferences/media/MediaViews.cpp
@@ -14,6 +14,7 @@
 // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
 #include "MediaViews.h"
 
+#include <Alert.h>
 #include <AutoDeleter.h>
 #include <Box.h>
 #include <Button.h>
@@ -232,6 +233,12 @@ SettingsView::_MediaWindow() const
 void
 SettingsView::_FlipRealtimeFlag(uint32 mask)
 {
+	fRealtimeCheckBox->SetValue(B_CONTROL_OFF);
+	BAlert* alert = new BAlert("realtime alert", UnimplementedRealtimeError(),
+		B_TRANSLATE("OK"), NULL, NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
+	alert->Go();
+
+#if 0
 	// TODO: error codes
 	uint32 flags = 0;
 	BMediaRoster* roster = BMediaRoster::Roster();
@@ -241,6 +248,7 @@ SettingsView::_FlipRealtimeFlag(uint32 mask)
 	else
 		flags |= mask;
 	roster->SetRealtimeFlags(flags);
+#endif
 }
 
 
@@ -409,6 +417,13 @@ AudioSettingsView::AttachedToWindow()
 }
 
 
+BString
+AudioSettingsView::UnimplementedRealtimeError()
+{
+	return B_TRANSLATE("Real-time audio is currently unimplemented in Haiku.");
+}
+
+
 void
 AudioSettingsView::MessageReceived(BMessage* message)
 {
@@ -637,3 +652,11 @@ VideoSettingsView::SetDefaultOutput(const dormant_node_info* info)
 	_MediaWindow()->UpdateOutputListItem(MediaListItem::VIDEO_TYPE, info);
 	BMediaRoster::Roster()->SetVideoOutput(*info);
 }
+
+
+BString
+VideoSettingsView::UnimplementedRealtimeError()
+{
+	return B_TRANSLATE("Real-time video is currently unimplemented in Haiku.");
+}
+
diff --git a/src/preferences/media/MediaViews.h b/src/preferences/media/MediaViews.h
index f4f6422af4..27eeb05f33 100644
--- a/src/preferences/media/MediaViews.h
+++ b/src/preferences/media/MediaViews.h
@@ -26,6 +26,7 @@ class BButton;
 class BCheckBox;
 class BMenu;
 class BMenuField;
+class BString;
 class BStringView;
 
 class MediaWindow;
@@ -85,6 +86,7 @@ public:
 	virtual	void				AttachedToWindow();
 
 			void				RestartRequired(bool required);
+	virtual	BString				UnimplementedRealtimeError() = 0;
 
 protected:
 
@@ -130,6 +132,8 @@ public:
 	virtual	void				MessageReceived(BMessage* message);
 	virtual	void				AttachedToWindow();
 
+	virtual	BString				UnimplementedRealtimeError();
+
 private:
 			BMenuField*			_MakeChannelMenu();
 			BCheckBox*			_MakeVolumeCheckBox();
@@ -153,6 +157,7 @@ public:
 	virtual	void				SetDefaultInput(const dormant_node_info* info);
 	virtual	void				SetDefaultOutput(const dormant_node_info* info);
 
+	virtual	BString				UnimplementedRealtimeError();
 };
 
 #endif