diff --git a/test/window.ul.ir b/test/window.ul.ir
index c133112..9a72395 100644
--- a/test/window.ul.ir
+++ b/test/window.ul.ir
@@ -7,7 +7,7 @@ global const byte WHITE = 255
 function main ()
   # Open screen
   # use load immediate because it is a pointer to a string, not a value
-  plex screen
+  plex screen is $0
   load_address &screen_namespace -> $18
 	int mode is $11
   load_immediate 0 -> mode
@@ -78,12 +78,12 @@ function pln (str message is $0)
 	int nl_length is $4
 	int mode is $5
 
-	load_heap_immediate "/dev/term/0" -> term # get terminal device
+	load_address &terminal_namespace -> term # get terminal device
 	load_immediate 0 -> mode
 	syscall OPEN term mode -> term
 	strlen message -> msg_length
 	syscall WRITE term message msg_length	
-	load_heap_immediate "\n" -> nl
+	load_address &new_line -> nl
 	strlen nl -> nl_length
 	syscall WRITE term nl nl_length
-	return
\ No newline at end of file
+	return