diff --git a/mod/wiki/backuplib.php b/mod/wiki/backuplib.php
index 120c3daea4e..aeeb15dfe18 100644
--- a/mod/wiki/backuplib.php
+++ b/mod/wiki/backuplib.php
@@ -55,7 +55,7 @@
         fwrite ($bf,full_tag("MODTYPE",4,false,"wiki"));
         fwrite ($bf,full_tag("NAME",4,false,$wiki->name));
         fwrite ($bf,full_tag("SUMMARY",4,false,$wiki->summary));
-        fwrite ($bf,full_tag("PAGENAME",4,false,$wiki->wtype));
+        fwrite ($bf,full_tag("PAGENAME",4,false,$wiki->pagename));
         fwrite ($bf,full_tag("WTYPE",4,false,$wiki->wtype));
         fwrite ($bf,full_tag("EWIKIPRINTTITLE",4,false,$wiki->ewikiprinttitle));
         fwrite ($bf,full_tag("HTMLMODE",4,false,$wiki->htmlmode));