diff --git a/autogen.sh b/autogen.sh
index f146c95d..a90e200e 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,15 +1,15 @@
 #!/bin/sh
 
 echo acinclude.m4...
-echo "dnl This is automatically generated from m4/ files! Do not modify!" > acinclude.m4
-cat config/m4/*.m4 >> acinclude.m4
+(
+	echo "dnl Automatically generated from config/m4/ files by autogen.sh!"
+	echo "dnl Do not modify!"
+	cat config/m4/*.m4
+) > acinclude.m4
 
 echo aclocal...
 aclocal
 
-echo autoheader...
-autoheader
-
 echo autoconf...
 autoconf