diff --git a/src/rx/FBSD/rx_knet.c b/src/rx/FBSD/rx_knet.c
index ded3f7c6a0..fef1d4f658 100644
--- a/src/rx/FBSD/rx_knet.c
+++ b/src/rx/FBSD/rx_knet.c
@@ -92,7 +92,7 @@ osi_StopListener(void)
     p = pfind(rxk_ListenerPid);
     if (p) {
 	afs_warn("osi_StopListener: rxk_ListenerPid %u\n", rxk_ListenerPid);
-#if (__FreeBSD_version >= 90004)
+#if (__FreeBSD_version >= 900044)
 	kern_psignal(p, SIGUSR1);
 #else
 	psignal(p, SIGUSR1);