diff --git a/trick_source/sim_services/CommandLineArguments/CommandLineArguments.cpp b/trick_source/sim_services/CommandLineArguments/CommandLineArguments.cpp
index bdd9dbb0..8926d030 100644
--- a/trick_source/sim_services/CommandLineArguments/CommandLineArguments.cpp
+++ b/trick_source/sim_services/CommandLineArguments/CommandLineArguments.cpp
@@ -172,6 +172,15 @@ int Trick::CommandLineArguments::process_sim_args(int nargs , char **args) {
             }
         }
 
+        if (access(input_file.c_str(), F_OK) != 0) {
+          input_file = "";
+            if(strcmp(argv[1], "trick_version") && strcmp(argv[1], "sie") && strcmp(argv[1], "-help")  && strcmp(argv[1], "--help") &&
+                strcmp(argv[1], "-h") && strcmp(argv[1], "help")) {
+                std::cerr << "\nERROR: Invalid input file or command line argument." << std::endl;
+                exit(1);
+            }
+        }
+
         found = run_dir.find_last_of("/") ;
         if ( found != std::string::npos ) {
             run_dir.erase(found) ;
diff --git a/trick_source/sim_services/Executive/Executive_process_sim_args.cpp b/trick_source/sim_services/Executive/Executive_process_sim_args.cpp
index 939c0c5f..342a4191 100644
--- a/trick_source/sim_services/Executive/Executive_process_sim_args.cpp
+++ b/trick_source/sim_services/Executive/Executive_process_sim_args.cpp
@@ -64,6 +64,7 @@ int Trick::Executive::process_sim_args() {
         } else if (!strcmp(argv[1], "-help")  || !strcmp(argv[1], "--help") ||
                    !strcmp(argv[1], "-h")     || !strcmp(argv[1], "help") ) {
             /* Try and help the user */
+          printf("%s", buf);
             exit(0);
         } else if (!strcmp(argv[1], "sie")) {
             /* do not create init_log.csv if we are generating sie */