diff --git a/kdeadmin/PKGBUILD b/kdeadmin/PKGBUILD
index 81d4c1371..d64b174a9 100644
--- a/kdeadmin/PKGBUILD
+++ b/kdeadmin/PKGBUILD
@@ -29,8 +29,8 @@ options=('docs' '!splithdr' 'splitdbg' 'log')
 makedepends=('pkgconfig' 'cmake' 'automoc4' "kdepimlibs>=${_kdever}"  "kde-runtime>=${_kdever}"
 	     "kdebindings-pykde4>=${_kdever}" 'system-config-printer-common' "kdepim-runtime>=${_kdever}" "docbook-xsl")
 
-source=($_mirror/${pkgbase}-$_kdever.tar.bz2)
-md5sums=(`grep ${pkgbase}-$_kdever.tar.bz2 ../kde-sc.md5 | cut -d" " -f1`)
+source=($_mirror/${pkgbase}-$_kdever.tar.xz)
+md5sums=(`grep ${pkgbase}-$_kdever.tar.xz ../kde-sc.md5 | cut -d" " -f1`)
 
 #
 # build function
diff --git a/kdebindings-pykde4/PKGBUILD b/kdebindings-pykde4/PKGBUILD
index ec8c9c18b..8bea53c9d 100644
--- a/kdebindings-pykde4/PKGBUILD
+++ b/kdebindings-pykde4/PKGBUILD
@@ -20,9 +20,9 @@ arch=('i686' 'x86_64')
 license=('GPL' 'LGPL' 'FDL')
 depends=('pyqt' 'qscintilla' 'boost-libs' 'kdepim-runtime')
 makedepends=('cmake' 'automoc4' 'polkit-qt' 'boost')
-source=("$_mirror/${_pkgname}-$_kdever.tar.bz2")
+source=("$_mirror/${_pkgname}-$_kdever.tar.xz")
         #"fix-pykde4.patch")
-md5sums=(`grep ${_pkgname}-$_kdever.tar.bz2 ../kde-sc.md5 | cut -d" " -f1`)
+md5sums=(`grep ${_pkgname}-$_kdever.tar.xz ../kde-sc.md5 | cut -d" " -f1`)
          #'3096e7ad08058c4fce32e5bf4846f4d0')
 groups=("kde" "kdebindings" "kde-uninstall")
 provides=('kdebindings-python' 'pykde4')
diff --git a/kdeedu-blinken/PKGBUILD b/kdeedu-blinken/PKGBUILD
index ae4fbf22b..e7050ba53 100644
--- a/kdeedu-blinken/PKGBUILD
+++ b/kdeedu-blinken/PKGBUILD
@@ -27,8 +27,8 @@ options=('docs' '!splithdr' 'splitdbg' 'log')
 categories=('education')
 install=${pkgname}.install
 
-source=("$_mirror/${_pkgname}-$_kdever.tar.bz2")
-md5sums=(`grep ${_pkgname}-$_kdever.tar.bz2 ../kde-sc.md5 | cut -d" " -f1`)
+source=("$_mirror/${_pkgname}-$_kdever.tar.xz")
+md5sums=(`grep ${_pkgname}-$_kdever.tar.xz ../kde-sc.md5 | cut -d" " -f1`)
 
 build()
 {
diff --git a/kdeedu-cantor/PKGBUILD b/kdeedu-cantor/PKGBUILD
index 41d8311bc..ae4412d12 100644
--- a/kdeedu-cantor/PKGBUILD
+++ b/kdeedu-cantor/PKGBUILD
@@ -27,8 +27,8 @@ categories=('education')
 options=('docs' '!splithdr' 'splitdbg' 'log')
 install=${pkgname}.install
 
-source=("$_mirror/${_pkgname}-$_kdever.tar.bz2")
-md5sums=(`grep ${_pkgname}-$_kdever.tar.bz2 ../kde-sc.md5 | cut -d" " -f1`)
+source=("$_mirror/${_pkgname}-$_kdever.tar.xz")
+md5sums=(`grep ${_pkgname}-$_kdever.tar.xz ../kde-sc.md5 | cut -d" " -f1`)
 
 build()
 {