diff --git a/lib/isc/win32/libisc.def.in b/lib/isc/win32/libisc.def.in
index 6ab8a9f1ec..3188166a44 100644
--- a/lib/isc/win32/libisc.def.in
+++ b/lib/isc/win32/libisc.def.in
@@ -534,6 +534,7 @@ isc_ratelimiter_enqueue
 isc_ratelimiter_release
 isc_ratelimiter_setinterval
 isc_ratelimiter_setpertic
+isc_ratelimiter_setpushpop
 isc_ratelimiter_shutdown
 isc_ratelimiter_stall
 isc_refcount_init