diff --git a/autogen.sh b/autogen.sh
index 5f393f41b..306db436c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -21,6 +21,9 @@ if test ! -d `aclocal --print-ac-dir 2>> autogen.err`; then
   exit 1
 fi
 
+# Update the m4 macros
+autoreconf -fvi
+
 # Produce aclocal.m4, so autoconf gets the automake macros it needs
 #
 case `uname` in