diff --git a/ChangeLog b/ChangeLog
index 0f4f877dd..bff52c463 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-31  David Shaw  <dshaw@jabberwocky.com>
+
+	* configure.ac: Add a check for volatile.
+
 2002-10-29  David Shaw  <dshaw@jabberwocky.com>
 
 	* configure.ac: Add --disable-regex in case some platform just
diff --git a/configure.ac b/configure.ac
index 73deb5190..175282b99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -547,6 +547,7 @@ AC_CHECK_HEADERS(unistd.h langinfo.h termio.h locale.h)
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_C_INLINE
+AC_C_VOLATILE
 AC_TYPE_SIZE_T
 AC_TYPE_MODE_T
 AC_TYPE_SIGNAL
@@ -554,7 +555,6 @@ AC_DECL_SYS_SIGLIST
 
 GNUPG_CHECK_ENDIAN
 
-
 GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
 GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
 GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)