diff --git a/src/gui/components/cc_frm_clock.cpp b/src/gui/components/cc_frm_clock.cpp
index 465ba8f2a..c6aecd590 100644
--- a/src/gui/components/cc_frm_clock.cpp
+++ b/src/gui/components/cc_frm_clock.cpp
@@ -78,6 +78,8 @@ CComponentsFrmClock::CComponentsFrmClock( 	const int& x_pos, const int& y_pos, c
 
 	activeClock		= activ;
 
+	may_blit		= true;
+
 	initCCLockItems();
 	initParent(parent);
 
@@ -339,6 +341,9 @@ void CComponentsFrmClock::paint(bool do_save_bg)
 
 	//paint form contents
 	paintForm(do_save_bg);
+
+	if (may_blit)
+		frameBuffer->blit();
 }
 
 void CComponentsFrmClock::setClockFontSize(int font_size)
diff --git a/src/gui/components/cc_frm_clock.h b/src/gui/components/cc_frm_clock.h
index 09a0ea987..babb07e29 100644
--- a/src/gui/components/cc_frm_clock.h
+++ b/src/gui/components/cc_frm_clock.h
@@ -49,6 +49,7 @@ class CComponentsFrmClock : public CComponentsForm
 	private:
 		
 // 		bool cl_force_segment_paint;
+		bool may_blit;
 	
 	protected:
 		///thread
@@ -141,6 +142,9 @@ class CComponentsFrmClock : public CComponentsForm
 
 		///set clock activ/inactiv
 		virtual void setClockActiv(bool activ = true);
+
+		///enable/disable automatic blitting
+		void setBlit(bool _may_blit = true) { may_blit = _may_blit; }
 };
 
 #endif