--- a/ProjectBuilder.st	Fri Mar 22 13:59:54 2013 +0100
+++ b/ProjectBuilder.st	Fri Mar 22 16:34:45 2013 +0100
@@ -853,6 +853,10 @@
                         eachMethod mclass fileOutMethod:eachMethod on:s
                     ].
                 ].
+            extSource isWideString ifTrue:[
+                extSource := ( '"{ Encoding: utf8 }"' , Character cr asString, Character cr asString, extSource).
+                extSource := extSource utf8Encoded.
+            ].
             (packageTargetDir asFilename construct:'extensions.st') contents:extSource
         ].