--- ois-v1-3/configure.ac
+++ ois-v1-3/configure.ac
@@ -5,7 +5,7 @@
 
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE( [OIS], 1.3.0 )
-AM_CONFIG_HEADER([includes/config.h])
+AC_CONFIG_HEADERS([includes/config.h])
 
 dnl Check for programs
 AC_PROG_CC