Index: openacs-4/packages/xowiki/tcl/xowiki-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-procs.tcl,v
diff -u -r1.542.2.72 -r1.542.2.73
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	10 Mar 2020 09:43:48 -0000	1.542.2.72
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	9 Apr 2020 21:50:54 -0000	1.542.2.73
@@ -2496,7 +2496,9 @@
     # in case, we can't link, flush the href
     if {[:can_link [dict get $item_ref_info item_id]] == 0} {
       :references refused [dict get $item_ref_info item_id]
-      [self]::link href ""
+      if {[[self]::link exists href]} {
+        [self]::link unset href
+      }
     }
 
     ad_try {