diff --git a/legacy/emotion/configure.ac b/legacy/emotion/configure.ac
index 13b09c2441..25dc6f4d91 100644
--- a/legacy/emotion/configure.ac
+++ b/legacy/emotion/configure.ac
@@ -28,7 +28,7 @@ AC_CANONICAL_HOST
 AC_ISC_POSIX
 
 AM_INIT_AUTOMAKE([1.6 dist-bzip2])
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_LIBTOOL_WIN32_DLL