--- a/configure.ac
+++ b/configure.ac
@@ -30,7 +30,7 @@
 dnl 0. autoconf initialization
 AC_INIT(sg, 1.0, mholst@math.ucsd.edu)
 AC_CONFIG_SRCDIR(src/ogl/sg/ogl.h)
-AM_CONFIG_HEADER(src/aaa_inc/sgcf.h)
+AC_CONFIG_HEADERS(src/aaa_inc/sgcf.h)
 AC_CONFIG_AUX_DIR(config)
 AC_PREFIX_DEFAULT(${HOME})
 AC_CANONICAL_BUILD