diff --git a/avr/devices/c03/main/testwin.asm b/avr/devices/c03/main/testwin.asm
index 5810b8c..9620e7e 100644
--- a/avr/devices/c03/main/testwin.asm
+++ b/avr/devices/c03/main/testwin.asm
@@ -97,8 +97,8 @@ testRootWin_flashdata:
   .dw STYLE_WIN_FONT*2          ; font
   .dw testRootWin_ramdata       ; ptr to SDRAM
 testRootWin_signalmap:
-  .db 0, OBJECT_SIGNAL_CREATE, LOW(Widget_OnCreate), HIGH(Widget_OnCreate)
-  .db 0, WIDGET_SIGNAL_DRAW,   LOW(Widget_OnDraw),   HIGH(Widget_OnDraw)
+  .db 0, OBJECT_SIGNAL_CREATE, LOW(Widget_OnCreate),  HIGH(Widget_OnCreate)
+  .db 0, WIDGET_SIGNAL_DRAW,   LOW(Widget_OnDrawNop), HIGH(Widget_OnDrawNop)
   .db 0, 0, 0, 0  ; end of table
 
 
diff --git a/avr/modules/lcd2/gui2/widget.asm b/avr/modules/lcd2/gui2/widget.asm
index 93327ca..c612f52 100644
--- a/avr/modules/lcd2/gui2/widget.asm
+++ b/avr/modules/lcd2/gui2/widget.asm
@@ -220,6 +220,27 @@ Widget_OnDraw_ret:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine Widget_OnDrawNop @global
+;
+; this routine only clears the DIRTY bit
+; 
+; @param Z byte address of widget object (for LPM!)
+; @param xl param1
+; @param xh param2
+; @return CFLAG set if signal handled
+; @clobbers any, !Z
+
+Widget_OnDrawNop:
+  rcall Widget_GetSdramPtr
+  ldd r17, Y+WIDGET_SD_OFFS_FLAGS
+  cbr r17, (1<<WIDGET_FLAGS_DIRTY_BIT)
+  std Y+WIDGET_SD_OFFS_FLAGS, r17
+  ret
+; @end
+
+
+
 ; ---------------------------------------------------------------------------
 ; @routine Widget_IsPointInRect @global
 ;