diff --git a/support/installation/actions.tcl b/support/installation/actions.tcl
index db6f0ec9..19f8b378 100644
--- a/support/installation/actions.tcl
+++ b/support/installation/actions.tcl
@@ -44,7 +44,7 @@ proc _tab {module libdir} {
     xcopy \
 	    [file join $distribution modules $module scripts] \
 	    [file join $libdir $module scripts] \
-	    0 *.tcl
+	    1 *.tcl
 
     xcopyfile \
 	[file join $distribution modules $module scripts tclIndex] \