diff --git a/configure.in b/configure.in
index 0aa3d860..c8c156b0 100644
--- a/configure.in
+++ b/configure.in
@@ -14,6 +14,7 @@ dnl AM_PROG_LEX
 AC_CANONICAL_HOST
 
 AC_CHECK_HEADERS([sys/wait.h])
+AC_CHECK_HEADERS([sys/param.h])
 AC_CHECK_FUNCS(strptime)
 AC_CHECK_FUNCS(strtok_r)
 AM_CONDITIONAL(COND_REND_OSX,false)