2 files changed, 6 insertions, 6 deletions

diff --git a/src/w32term.c b/src/w32term.c
index 9ee3b1ed1f2..3eb078a66d8 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -2057,11 +2057,11 @@ w32_draw_image_relief (struct glyph_string *s)
           && FIXNUMP (XCAR (Vtab_bar_button_margin))
           && FIXNUMP (XCDR (Vtab_bar_button_margin)))
         {
-          extra_x = XFIXNUM (XCAR (Vtab_bar_button_margin));
-          extra_y = XFIXNUM (XCDR (Vtab_bar_button_margin));
+          extra_x = XFIXNUM (XCAR (Vtab_bar_button_margin)) - thick;
+          extra_y = XFIXNUM (XCDR (Vtab_bar_button_margin)) - thick;
         }
       else if (FIXNUMP (Vtab_bar_button_margin))
-        extra_x = extra_y = XFIXNUM (Vtab_bar_button_margin);
+        extra_x = extra_y = XFIXNUM (Vtab_bar_button_margin) - thick;
     }
 
   if (s->face->id == TOOL_BAR_FACE_ID)
diff --git a/src/xterm.c b/src/xterm.c
index 4c1754ac80c..2c56c73068d 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3235,11 +3235,11 @@ x_draw_image_relief (struct glyph_string *s)
           && FIXNUMP (XCAR (Vtab_bar_button_margin))
           && FIXNUMP (XCDR (Vtab_bar_button_margin)))
         {
-          extra_x = XFIXNUM (XCAR (Vtab_bar_button_margin));
-          extra_y = XFIXNUM (XCDR (Vtab_bar_button_margin));
+          extra_x = XFIXNUM (XCAR (Vtab_bar_button_margin)) - thick;
+          extra_y = XFIXNUM (XCDR (Vtab_bar_button_margin)) - thick;
         }
       else if (FIXNUMP (Vtab_bar_button_margin))
-        extra_x = extra_y = XFIXNUM (Vtab_bar_button_margin);
+        extra_x = extra_y = XFIXNUM (Vtab_bar_button_margin) - thick;
     }
 
   if (s->face->id == TOOL_BAR_FACE_ID)