diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index da5405dce34746aa4c7ab757af6a46e430f9b538..ff112a872d7520b4ac5426d5b3a38f907d8c3656 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -357,7 +357,7 @@ struct ftrace_graph_ret {
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 
 /* for init task */
-#define INIT_FTRACE_GRAPH		.ret_stack = NULL
+#define INIT_FTRACE_GRAPH		.ret_stack = NULL,
 
 /*
  * Stack of return addresses for functions