diff --git a/m4/build.sh b/m4/build.sh
index 1cd5f1b..6b99b33 100755
--- a/m4/build.sh
+++ b/m4/build.sh
@@ -9,9 +9,9 @@
 ###########################################################
 # Check the following 4 variables before running the script
 topdir=m4
-version=1.4.11
+version=1.4.12
 pkgver=1
-source[0]=$topdir-$version.tar.bz2
+source[0]=ftp://ftp.sunet.se/pub/m4/$topdir-$version.tar.bz2
 # If there are no patches, simply comment this
 #patch[0]=