--- PKGBUILD.orig	2009-03-22 01:07:51.000000000 -0300
+++ PKGBUILD	2009-03-22 17:31:34.366290165 -0300
@@ -16,7 +16,7 @@
 
 build() {
     cd "${srcdir}/${pkgname}-${pkgver}"
-    ./configure --prefix=/usr || return 1
+    ./configure --prefix=/usr --libexecdir=/usr/lib/mission-control || return 1
     make || return 1
     make DESTDIR="${pkgdir}" install || return 1
 }