diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index de0c2c7..2e692af 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3524,6 +3524,7 @@
 			wait_event_interruptible_timeout(t->queue,
 							 t->control != 0,
 							 HZ/10);
+			try_to_freeze();
 			continue;
 		}