diff --git a/configure.in b/configure.in
index fa816c34..ae0d644a 100644
--- a/configure.in
+++ b/configure.in
@@ -27,7 +27,7 @@ AC_C_INLINE
 AC_TYPE_SIGNAL
 AC_TYPE_SIZE_T
 
-AC_CHECK_TYPE(sighandler_t)
+AC_CHECK_TYPES([sighandler_t])
 
 dnl Checks for library functions.
 AC_FUNC_MEMCMP