diff --git a/configure.ac b/configure.ac
index c23cab27e..87bd18fcf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,7 @@ AC_CONFIG_SRCDIR(g10/gpg.c)
 AC_CANONICAL_HOST
 AM_INIT_AUTOMAKE([std-options])
 AB_INIT
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 AC_GNU_SOURCE