diff --git a/libgui/library/pkgIndex.tcl b/libgui/library/pkgIndex.tcl
index 975ae94..9cd0a98 100644
--- a/libgui/library/pkgIndex.tcl
+++ b/libgui/library/pkgIndex.tcl
@@ -9,4 +9,4 @@
 # full path name of this file's directory.
 
 package ifneeded combobox 2.3 [list source [file join $dir combobox.tcl]]
-package ifneeded debug 1.0 [list source [file join $dir debug.tcl]]
+package ifneeded libgui_debug 1.0 [list source [file join $dir debug.tcl]]