diff --git a/src/tests/unit-tests/signal-processing-blocks/acquisition/acq_performance_test.cc b/src/tests/unit-tests/signal-processing-blocks/acquisition/acq_performance_test.cc
index 100d92897..94f96e4a6 100644
--- a/src/tests/unit-tests/signal-processing-blocks/acquisition/acq_performance_test.cc
+++ b/src/tests/unit-tests/signal-processing-blocks/acquisition/acq_performance_test.cc
@@ -294,7 +294,7 @@ protected:
 
         num_thresholds = pfa_vector.size();
 
-        int aux2 = ((generated_signal_duration_s * 1000 - (FLAGS_acq_test_coherent_time_ms * FLAGS_acq_test_max_dwells)) / (FLAGS_acq_test_coherent_time_ms * FLAGS_acq_test_max_dwells));
+        int aux2 = ((generated_signal_duration_s * 900 - (FLAGS_acq_test_coherent_time_ms * FLAGS_acq_test_max_dwells)) / (FLAGS_acq_test_coherent_time_ms * FLAGS_acq_test_max_dwells));
         if ((FLAGS_acq_test_num_meas > 0) and (FLAGS_acq_test_num_meas < aux2))
             {
                 num_of_measurements = static_cast<unsigned int>(FLAGS_acq_test_num_meas);