diff --git a/configure.ac b/configure.ac
index d64aaf3..50a7d12 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_INIT([DDC/CI control tool], [0.4.2],
         [DDCControl users list <ddccontrol-users@lists.sourceforge.net>],
         [ddccontrol])
-AM_CONFIG_HEADER(src/config.h)
+AC_CONFIG_HEADERS([src/config.h])
 AM_INIT_AUTOMAKE
 
 # Avoid automatic *.in file regeneration