diff --git a/src/actsim_agent/log_parser.cpp b/src/actsim_agent/log_parser.cpp
index 1f0a805..9299c6f 100644
--- a/src/actsim_agent/log_parser.cpp
+++ b/src/actsim_agent/log_parser.cpp
@@ -96,9 +96,9 @@ void LogParser::finalize() {
     if (has_reference) {
 
         // model has not sent all tokens yet
-        if (dut_output_tokens_ < reference->output_tokens) {
+        if (artifact->get_output_token_timings().size() < reference->get_output_token_timings().size()) {
 
-            std::cout << "Token count based deadlock, reference had " << reference->output_tokens << " dut had " << dut_output_tokens_ << std::endl;
+            std::cout << "Token count based deadlock, reference had " << reference->get_output_token_timings().size() << " dut had " << artifact->get_output_token_timings().size() << std::endl;
  
             // a deadlock must have occured
             artifact->set_fault_deadlock(true);