M openbox/frame.c → openbox/frame.c

@@ -377,10 +377,12 @@ (ob_rr_theme->grip_width + self->bwidth) * 2 + 1);
 
         STRUT_SET(self->size,
                   self->cbwidth_l + (!self->max_horz ? self->bwidth : 0),
-                  self->cbwidth_t + self->bwidth,
+                  self->cbwidth_t +
+                  (!self->max_horz || !self->max_vert ||
+                   !self->client->undecorated ? self->bwidth : 0),
                   self->cbwidth_r + (!self->max_horz ? self->bwidth : 0),
                   self->cbwidth_b +
-                    (!self->max_horz || !self->max_vert ? self->bwidth : 0));
+                  (!self->max_horz || !self->max_vert ? self->bwidth : 0));
 
         if (self->decorations & OB_FRAME_DECOR_TITLEBAR)
             self->size.top += ob_rr_theme->title_height + self->bwidth;