--- old/src/java.desktop/share/classes/javax/swing/table/JTableHeader.java	2017-08-15 15:41:14.000000000 +0100
+++ new/src/java.desktop/share/classes/javax/swing/table/JTableHeader.java	2017-08-15 15:41:14.000000000 +0100
@@ -42,6 +42,9 @@
 import java.io.ObjectOutputStream;
 import java.io.IOException;
 
+import sun.awt.AWTAccessor;
+import sun.awt.AWTAccessor.MouseEventAccessor;
+
 /**
  * This is the object which manages the header of the <code>JTable</code>.
  * <p>
@@ -414,6 +417,9 @@
                                           p.x, p.y, event.getXOnScreen(), event.getYOnScreen(),
                                           event.getClickCount(),
                                           event.isPopupTrigger(), MouseEvent.NOBUTTON);
+                MouseEventAccessor meAccessor = AWTAccessor.getMouseEventAccessor();
+                meAccessor.setCausedByTouchEvent(newEvent,
+                    meAccessor.isCausedByTouchEvent(event));
 
                 tip = ((JComponent)component).getToolTipText(newEvent);
             }