1 files changed, 2 insertions, 1 deletions
diff --git a/openbox/frame.c b/openbox/frame.c
index c633fa6d..ab5a14a8 100644
--- a/openbox/frame.c
+++ b/openbox/frame.c
@@ -339,7 +339,8 @@ void frame_adjust_area(ObFrame *self, gboolean moved,
         self->shaded = self->client->shaded;
 
         if (self->decorations & OB_FRAME_DECOR_BORDER ||
-            (self->client->undecorated && config_theme_keepborder))
+            (self->client->undecorated && config_theme_keepborder
+             && !self->client->fullscreen))
             self->bwidth = ob_rr_theme->fbwidth;
         else
             self->bwidth = 0;