diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index afbec961eab1..d2d068b36341 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1312,7 +1312,8 @@ static inline bool is_string_field(struct ftrace_event_field *field)
 {
 	return field->filter_type == FILTER_DYN_STRING ||
 	       field->filter_type == FILTER_STATIC_STRING ||
-	       field->filter_type == FILTER_PTR_STRING;
+	       field->filter_type == FILTER_PTR_STRING ||
+	       field->filter_type == FILTER_COMM;
 }
 
 static inline bool is_function_field(struct ftrace_event_field *field)