diff --git a/configure.in b/configure.in
index 6b2763f..22f26c5 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 AC_INIT(configure.in)
 
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADER(config.h)
 AM_INIT_AUTOMAKE(kaffeine_mozilla, 0.2)
 
 AC_LANG_C