diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 533c49f..7697249 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -711,6 +711,9 @@
 #undef __perf_count
 #define __perf_count(c) __count = (c)
 
+#undef TP_perf_assign
+#define TP_perf_assign(args...) args
+
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace void							\