diff --git a/debian/changelog b/debian/changelog
index d791c42..ae03591 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+ubuntu-dev-tools (0.152) UNRELEASED; urgency=medium
+
+  * Add ppc64el to valid architectures in pbuilder-dist and ubuntu-build.
+  * Simplify mirror detection in mk-sbuild, all supported releases, all
+    architectures but i386/amd64 are on ports.ubuntu.com
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Fri, 20 Dec 2013 15:00:08 +0000
+
 ubuntu-dev-tools (0.151) unstable; urgency=low
 
   [ Dmitrijs Ledkovs ]
diff --git a/mk-sbuild b/mk-sbuild
index c0d219e..6ea76c8 100755
--- a/mk-sbuild
+++ b/mk-sbuild
@@ -428,16 +428,9 @@ ubuntu)
         amd64 | i386)
             DEBOOTSTRAP_MIRROR="http://archive.ubuntu.com/ubuntu"
             ;;
-        armhf | armel | arm64 | hppa | ia64 | lpia | sparc)
+        *)
             DEBOOTSTRAP_MIRROR="http://ports.ubuntu.com/ubuntu-ports"
             ;;
-        powerpc)
-            if [ "$RELEASE" != "dapper" ]; then
-                DEBOOTSTRAP_MIRROR="http://ports.ubuntu.com/ubuntu-ports"
-            else
-                DEBOOTSTRAP_MIRROR="http://archive.ubuntu.com/ubuntu"
-            fi
-            ;;
         esac
     fi
     if [ -z "$COMPONENTS" ]; then
@@ -454,16 +447,9 @@ ubuntu)
         amd64 | i386)
             SOURCES_SECURITY_URL="http://security.ubuntu.com/ubuntu"
             ;;
-        armhf | armel | arm64 | hppa | ia64 | lpia | sparc)
+        *)
             SOURCES_SECURITY_URL="http://ports.ubuntu.com/ubuntu-ports"
             ;;
-        powerpc)
-            if [ "$RELEASE" != "dapper" ]; then
-                SOURCES_SECURITY_URL="http://ports.ubuntu.com/ubuntu-ports"
-            else
-                SOURCES_SECURITY_URL="http://security.ubuntu.com/ubuntu"
-            fi
-            ;;
         esac
     fi
     if [ -n "$TARGET_ARCH" ]; then
@@ -474,7 +460,7 @@ ubuntu)
             TARGET_MIRROR="http://archive.ubuntu.com/ubuntu"
             TARGET_SOURCES_SECURITY_URL="http://security.ubuntu.com/ubuntu"
             ;;
-        armhf | armel | arm64 | hppa | ia64 | lpia | powerpc | sparc)
+        *)
             TARGET_MIRROR="http://ports.ubuntu.com/ubuntu-ports"
             TARGET_SOURCES_SECURITY_URL="http://ports.ubuntu.com/ubuntu-ports"
             ;;
diff --git a/pbuilder-dist b/pbuilder-dist
index c8d792c..3b40a44 100755
--- a/pbuilder-dist
+++ b/pbuilder-dist
@@ -413,7 +413,7 @@ def main():
         requested_arch = parts[2]
     elif len(args) > 0 and args[0] in (
             'alpha', 'amd64', 'arm', 'armeb', 'armel', 'armhf', 'arm64', 'i386', 'lpia',
-            'm68k', 'mips', 'mipsel', 'powerpc', 'ppc64', 'sh4', 'sh4eb',
+            'm68k', 'mips', 'mipsel', 'powerpc', 'ppc64', 'ppc64el', 'sh4', 'sh4eb',
             'sparc', 'sparc64'):
         requested_arch = args.pop(0)
     else:
diff --git a/ubuntu-build b/ubuntu-build
index cdb8e26..1ba279b 100755
--- a/ubuntu-build
+++ b/ubuntu-build
@@ -40,7 +40,7 @@ def main():
 
     # Valid architectures.
     valid_archs = set(["armel", "armhf", "arm64", "amd64", "hppa", "i386", "ia64",
-                       "lpia", "powerpc", "sparc"])
+                       "lpia", "powerpc", "ppc64el", "sparc"])
 
     # Prepare our option parser.
     opt_parser = OptionParser(usage)