diff --git a/configure.in.in b/configure.in.in
index 45009a8..9fa5f8d 100644
--- a/configure.in.in
+++ b/configure.in.in
@@ -7,7 +7,7 @@ AC_CANONICAL_SYSTEM
 AC_ARG_PROGRAM
 
 dnl All versioning is done via the following line
-AM_CONFIG_HEADER(src/config.h)
+AC_CONFIG_HEADER(src/config.h)
 AM_INIT_AUTOMAKE(kchmviewer, 3.1)
 
 dnl Chuck #defines for PACKAGE and VERSION into config.h