diff --git a/src/tests/system-tests/obs_gps_l1_system_test.cc b/src/tests/system-tests/obs_gps_l1_system_test.cc
index 16d360a6a..ae18180e0 100644
--- a/src/tests/system-tests/obs_gps_l1_system_test.cc
+++ b/src/tests/system-tests/obs_gps_l1_system_test.cc
@@ -679,7 +679,7 @@ TEST_F(Obs_Gps_L1_System_Test, Observables_system_test)
     configure_generator();
 
     // Generate signal raw signal samples and observations RINEX file
-    //generate_signal();
+    generate_signal();
 
     std::cout << "Validating generated reference RINEX obs file: " << FLAGS_filename_rinex_obs << " ..." << std::endl;
     bool is_gen_rinex_obs_valid = check_valid_rinex_obs( "./" + FLAGS_filename_rinex_obs);