diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 9276ec4..ee92682 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -471,7 +471,7 @@
 		return;							\
 	entry	= ring_buffer_event_data(event);			\
 									\
-	assign;								\
+	{ assign; }							\
 									\
 	if (!filter_current_check_discard(event_call, entry, event))	\
 		trace_nowake_buffer_unlock_commit(event, irq_flags, pc); \