diff --git a/src/gui/AutomationEditor.cpp b/src/gui/AutomationEditor.cpp
index d6810eee2..b58e49f8b 100644
--- a/src/gui/AutomationEditor.cpp
+++ b/src/gui/AutomationEditor.cpp
@@ -1597,8 +1597,6 @@ void AutomationEditor::paintEvent( QPaintEvent * _pe )
 				++it;
 			}
 
-			Q_ASSERT( it == time_map.end()-1 );
-
 			for( int i = it.key(), x = xCoordOfTick( i ); x <= width();
 							i++, x = xCoordOfTick( i ) )
 			{