diff --git a/util/kbuild/kbuild b/util/kbuild/kbuild
index 6fcf658..c8d2f96 100755
--- a/util/kbuild/kbuild
+++ b/util/kbuild/kbuild
@@ -26,7 +26,7 @@ debversion=2.6.26-2-686-bigmem
 image=linux-image-$debversion
 
 echo "*** Installing $image"
-aptitude install $image
+sudo aptitude install $image
 
 newversion=2.6.33.1
 archive=linux-$newversion.tar.bz2