diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index 2979a96595b4..8d71e6c83f10 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -1225,8 +1225,10 @@ static int __create_synth_event(const char *name, const char *raw_fields)
 			goto err;
 		}
 
-		if (!argc)
+		if (!argc) {
+			argv_free(argv);
 			continue;
+		}
 
 		n_fields_this_loop = 0;
 		consumed = 0;