Index: openacs-4/packages/dotlrn/tcl/applets-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/tcl/applets-procs.tcl,v
diff -u -r1.28 -r1.29
--- openacs-4/packages/dotlrn/tcl/applets-procs.tcl	25 Apr 2018 19:47:47 -0000	1.28
+++ openacs-4/packages/dotlrn/tcl/applets-procs.tcl	9 May 2018 15:33:30 -0000	1.29
@@ -134,7 +134,7 @@
     ad_proc -public list_mounted_applets {} {
         list all applets that are mounted
     } {
-        set applets {}
+        set applets [list]
 
         foreach applet [list_applets] {
             if {[is_applet_mounted -applet_key $applet]} {