diff --git a/ChangeLog b/ChangeLog
index 05d00e34b..eaa16faf6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -19,6 +19,7 @@
 	  Mattias Ellert <mattias.ellert@tsl.uu.se>).
 	* sanei/sanei_scsi.c: Added SCSI support for MacOS X (from
 	  Mattias Ellert <mattias.ellert@tsl.uu.se>).
+	* include/sane/config.h.in: Added test for IOKit.
 
 2003-04-27  Henning Meier-Geinitz <henning@meier-geinitz.de>
 
diff --git a/include/sane/config.h.in b/include/sane/config.h.in
index 5341f0572..fc8937665 100644
--- a/include/sane/config.h.in
+++ b/include/sane/config.h.in
@@ -90,6 +90,9 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
+/* Define to 1 if you have the <IOKit/IOKitLib.h> header file. */
+#undef HAVE_IOKIT_IOKITLIB_H
+
 /* Define to 1 if you have the `ioperm' function. */
 #undef HAVE_IOPERM