diff --git a/lib/isc/win32/net.c b/lib/isc/win32/net.c
index 6cb04bab0d..6f3b4f28d7 100644
--- a/lib/isc/win32/net.c
+++ b/lib/isc/win32/net.c
@@ -30,7 +30,7 @@
  * The last resort defaults: use all non well known port space
  */
 #ifndef ISC_NET_PORTRANGELOW
-#define ISC_NET_PORTRANGELOW 1024
+#define ISC_NET_PORTRANGELOW 32768
 #endif	/* ISC_NET_PORTRANGELOW */
 #ifndef ISC_NET_PORTRANGEHIGH
 #define ISC_NET_PORTRANGEHIGH 65535