diff --git a/AppKit/CPTableHeaderView.j b/AppKit/CPTableHeaderView.j
index edb914c1c..097519af0 100644
--- a/AppKit/CPTableHeaderView.j
+++ b/AppKit/CPTableHeaderView.j
@@ -59,6 +59,11 @@
         };
 }
 
+- (BOOL)acceptsFirstMouse:(CPEvent)anEvent
+{
+    return YES;
+}
+
 - (id)initWithFrame:(CGRect)frame
 {
     self = [super initWithFrame:frame];