1 files changed, 5 insertions, 0 deletions

diff --git a/parse-events.c b/parse-events.c
index 9f88472..53aad3e 100644
--- a/parse-events.c
+++ b/parse-events.c
@@ -2183,6 +2183,11 @@ process_arg_token(struct event_format *event, struct print_arg *arg,
                 arg->op.op = token;
                 arg->op.left = NULL;
                 type = process_op(event, arg, &token);
+
+                /* On error, the op is freed */
+                if (type == EVENT_ERROR)
+                        arg->op.op = NULL;
+
                 /* return error type if errored */
                 break;