diff --git a/lib/roken/roken.h b/lib/roken/roken.h
index 0d5ee850e..5addbdf4f 100644
--- a/lib/roken/roken.h
+++ b/lib/roken/roken.h
@@ -251,6 +251,11 @@ int rcmd(char **ahost, unsigned short inport, const char *locuser,
 	 const char *remuser, const char *cmd, int *fd2p);
 #endif
 
+#ifndef HAVE_IRUSEROK
+int iruserok(u_int32_t raddr, int superuser, const char *ruser,
+	     const char *luser);
+#endif
+
 #ifndef HAVE_WRITEV
 ssize_t
 writev(int d, const struct iovec *iov, int iovcnt);
diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index 0d5ee850e..5addbdf4f 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -251,6 +251,11 @@ int rcmd(char **ahost, unsigned short inport, const char *locuser,
 	 const char *remuser, const char *cmd, int *fd2p);
 #endif
 
+#ifndef HAVE_IRUSEROK
+int iruserok(u_int32_t raddr, int superuser, const char *ruser,
+	     const char *luser);
+#endif
+
 #ifndef HAVE_WRITEV
 ssize_t
 writev(int d, const struct iovec *iov, int iovcnt);