diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index a9e6ce09e..98fe057fa 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
+ * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  * 
@@ -43,6 +43,9 @@
 #include <stdarg.h>
 #include <string.h>
 #include <signal.h>
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif