diff --git a/maze.cmd b/maze.cmd
index fcf221e..18b49d7 100644
--- a/maze.cmd
+++ b/maze.cmd
@@ -9,6 +9,8 @@ set %D3 0
 set %D4 -1
 set %D5 0
 
+select-buffer maze
+
 # draw the maze layout
 $curwidth insert-string " "
 newline
@@ -98,3 +100,5 @@ write-message $line
 set $curline 3
 set $curcol 1
 set $curchar 32
+
+unmark-buffer
diff --git a/screensize.cmd b/screensize.cmd
index 0bef7f3..47799eb 100644
--- a/screensize.cmd
+++ b/screensize.cmd
@@ -1,4 +1,5 @@
 # Visualize Screen Dimensions
+select-buffer screensize
 insert-string &cat $curwidth &cat "x" $pagelen
 insert-string &rig "---------+" &sub 10 $curcol
 &sub &div $curwidth 10 1 insert-string "---------+"