diff --git a/bookinfo.xml b/bookinfo.xml
index 99e2d0e65c..8eb004c614 100644
--- a/bookinfo.xml
+++ b/bookinfo.xml
@@ -3,7 +3,7 @@
   <authorgroup id="authors">
 
    <author>
-    <firstname>Stig</firstname><surname>Sæther Bakken</surname>
+    <firstname>Stig</firstname><surname>S?her Bakken</surname>
    </author>
 
    <author>
@@ -40,7 +40,7 @@
  
   <authorgroup id="editors">
    <editor>
-    <firstname>Stig Sæther</firstname><surname>Bakken</surname>
+    <firstname>Stig S?her</firstname><surname>Bakken</surname>
    </editor>
    <editor>
     <firstname>Egon</firstname><surname>Schmid</surname>