diff --git a/src/core/lib/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c
index d1bcd89af1f0b07d9ffb25de8fc459423992774f..2a1c8d39fae1cd08fa58f6e38e1abda33a0c4630 100644
--- a/src/core/lib/iomgr/udp_server.c
+++ b/src/core/lib/iomgr/udp_server.c
@@ -485,11 +485,7 @@ void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *s,
                       grpc_schedule_on_exec_ctx);
     grpc_fd_notify_on_write(exec_ctx, sp->emfd, &sp->write_closure);
 
-    /* Registered for both read and write callbacks: increment active_ports
-     * twice to account for this, and delay free-ing of memory until both
-     * on_read and on_write have fired. */
-    s->active_ports += 2;
-
+    s->active_ports++;
     sp = sp->next;
   }
 
diff --git a/third_party/gflags b/third_party/gflags
index f8a0efe03aa69b3336d8e228b37d4ccb17324b88..30dbc81fb5ffdc98ea9b14b1918bfe4e8779b26e 160000
--- a/third_party/gflags
+++ b/third_party/gflags
@@ -1 +1 @@
-Subproject commit f8a0efe03aa69b3336d8e228b37d4ccb17324b88
+Subproject commit 30dbc81fb5ffdc98ea9b14b1918bfe4e8779b26e