diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index 5e6ef680ed..0ba56c31cf 100644
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -455,7 +455,7 @@ void wxAuiDefaultTabArt::DrawTab(wxDC& dc,
         // set rectangle down a bit for gradient drawing
         r.SetHeight(r.GetHeight()/2);
         r.x += 2;
-        r.width -= 2;
+        r.width -= 3;
         r.y += r.height;
         r.y -= 2;