diff --git a/checkin_notes b/checkin_notes
index 77c7fcaf13..daf4979a08 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -8487,3 +8487,10 @@ Charlie 13 Sep 2007
     lib/
         gui_rpc_client.h
         gui_rpc_client_ops.C
+
+Charlie 16 Sep 2007
+    - SCR: make second argument optional in get_random_graphics_app() and 
+        get_random_graphics_app().
+        
+    clientscr/
+        screensaver.h
diff --git a/clientscr/screensaver.h b/clientscr/screensaver.h
index 38d7639c05..98edae97d5 100644
--- a/clientscr/screensaver.h
+++ b/clientscr/screensaver.h
@@ -25,11 +25,11 @@
 extern bool is_same_task(RESULT* taska, RESULT* taskb);
 
 // Count the number of active graphics-capable apps
-extern int count_active_graphic_apps(RESULTS& results, RESULT* exclude);
+extern int count_active_graphic_apps(RESULTS& results, RESULT* exclude = NULL);
 
 // Choose a ramdom graphics application from the vector that
 //   was passed in.
-extern RESULT* get_random_graphics_app(RESULTS& results, RESULT* exclude);
+extern RESULT* get_random_graphics_app(RESULTS& results, RESULT* exclude = NULL);
 
 // Launch the screensaver
 #ifdef _WIN32