--- a/configure.in
+++ b/configure.in
@@ -38,7 +38,7 @@
 AC_SUBST(LT_AGE)
 
 AM_INIT_AUTOMAKE(guichan, $GUICHAN_VERSION)
-AM_CONFIG_HEADER([include/config.hpp])
+AC_CONFIG_HEADERS([include/config.hpp])
 
 AC_CONFIG_SRCDIR([src/gui.cpp])