Index: openacs-4/packages/xowiki/tcl/form-field-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/form-field-procs.tcl,v
diff -u -r1.276 -r1.277
--- openacs-4/packages/xowiki/tcl/form-field-procs.tcl	27 Jun 2018 13:02:13 -0000	1.276
+++ openacs-4/packages/xowiki/tcl/form-field-procs.tcl	21 Jul 2018 11:56:37 -0000	1.277
@@ -3195,7 +3195,7 @@
     }
     #:msg "guess mime_type of $entry_name = [::xowiki::guesstype $entry_name]"
     set import_file [ad_tmpnam]
-    ::xowiki::write_file $import_file $img
+    ::xo::write_file $import_file $img
     set file_object [::xowiki::File new -destroy_on_cleanup \
                          -title $entry_name \
                          -name $entry_name \