1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 06e7b9f66de6..2b76f9520bd0 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -59,7 +59,7 @@
         C(NO_CLOSING_PAREN,     "No closing paren found"),              \
         C(SUBSYS_NOT_FOUND,     "Missing subsystem"),                   \
         C(INVALID_SUBSYS_EVENT, "Invalid subsystem or event name"),     \
-        C(INVALID_REF_KEY,      "Using variable references as keys not supported"), \
+        C(INVALID_REF_KEY,      "Using variable references in keys not supported"), \
         C(VAR_NOT_FOUND,        "Couldn't find variable"),              \
         C(FIELD_NOT_FOUND,      "Couldn't find field"),
 
@@ -4506,7 +4506,7 @@ static int create_key_field(struct hist_trigger_data *hist_data,
                         goto out;
                 }
 
-                if (hist_field->flags & HIST_FIELD_FL_VAR_REF) {
+                if (field_has_hist_vars(hist_field, 0)) {
                         hist_err(tr, HIST_ERR_INVALID_REF_KEY, errpos(field_str));
                         destroy_hist_field(hist_field, 0);
                         ret = -EINVAL;