Index: akonadi-1.3.90/libs/xdgbasedirs.cpp
===================================================================
--- akonadi-1.3.90.orig/libs/xdgbasedirs.cpp	2010-07-04 16:10:58.000000000 +0200
+++ akonadi-1.3.90/libs/xdgbasedirs.cpp	2010-07-06 16:19:53.000000000 +0200
@@ -114,7 +114,7 @@
 {
   if ( qstrncmp( "data", resource, 4 ) == 0 ) {
     if ( instance()->mDataDirs.isEmpty() ) {
-      QStringList dataDirs = instance()->systemPathList( "XDG_DATA_DIRS", "/usr/local/share:/usr/share" );
+      QStringList dataDirs = instance()->systemPathList( "XDG_DATA_DIRS", "/usr/local/share:/usr/share:@@PREFIX@@/share" );
 
 #ifdef Q_OS_WIN
       const QString prefixDataDir = QLatin1String( AKONADIPREFIX "/" AKONADIDATA );