diff --git a/src/blc_program.cpp b/src/blc_program.cpp
index 21fafde3d062d608d42a0c994ed3f2269f0e4feb..9c97ebb54c85aff6a2960d3d42f785999a183bc1 100644
--- a/src/blc_program.cpp
+++ b/src/blc_program.cpp
@@ -110,7 +110,7 @@ void blc_program_add_parameter(char const**result, char const *name, int require
     
     program_parameters.push_back(parameter);
     
-  //  APPEND_ITEM(&blc_program_parameters, &blc_program_parameters_nb, &parameter);
+    //  APPEND_ITEM(&blc_program_parameters, &blc_program_parameters_nb, &parameter);
 }
 
 void blc_program_add_multiple_parameters(char ***result_list, char const *name, int required_nb, char const *help)
@@ -174,7 +174,7 @@ void blc_program_add_output_pipe_option(FILE *file, char letter, char const *lon
     program_options.push_back(tmp_program_option);
 }
 
-static void blc_program_option_interpret(int *argc, char **argv[])
+static bool blc_program_option_interpret(int *argc, char **argv[])
 {
     char *optstring;
     int ret, option_index;
@@ -224,38 +224,39 @@ static void blc_program_option_interpret(int *argc, char **argv[])
                 }
                 else{
                     switch (program_option.type){
-                            case STRING:
+                        case STRING:
                             *program_option.string_pt = optarg;
                             break;
                             
                             //Pipe not in use anymore
-                            case INPUT_PIPE:
+                        case INPUT_PIPE:
                             SPRINTF(pipe_name, "/tmp/blc_pipes/%s", optarg);
                             SYSTEM_ERROR_CHECK(freopen(optarg, "r", program_option.pipe), NULL, NULL);
                             break;
-                            case OUTPUT_PIPE:
+                        case OUTPUT_PIPE:
                             mkdir("/tmp/blc_pipes", S_IRWXU);
                             SPRINTF(pipe_name, "/tmp/blc_pipes/%s", optarg);
                             if (mkfifo(pipe_name, S_IRWXU) !=0)
-                        {
-                            if (errno==EEXIST)
                             {
-                                SYSTEM_SUCCESS_CHECK(stat(pipe_name, &stat_data), 0, "Checking data of '%s'.", pipe_name);
-                                if (stat_data.st_mode == S_IFIFO){
-                                    SYSTEM_ERROR_CHECK(freopen(pipe_name, "w", program_option.pipe), NULL, NULL);
+                                if (errno==EEXIST)
+                                {
+                                    SYSTEM_SUCCESS_CHECK(stat(pipe_name, &stat_data), 0, "Checking data of '%s'.", pipe_name);
+                                    if (stat_data.st_mode == S_IFIFO){
+                                        SYSTEM_ERROR_CHECK(freopen(pipe_name, "w", program_option.pipe), NULL, NULL);
+                                    }
+                                    else EXIT_ON_ERROR("Cannot use '%s' as a output pipe.", pipe_name);
                                 }
-                                else EXIT_ON_ERROR("Cannot use '%s' as a output pipe.", pipe_name);
+                                else EXIT_ON_SYSTEM_ERROR("Creating output pipe '%s'.", pipe_name);
                             }
-                            else EXIT_ON_SYSTEM_ERROR("Creating output pipe '%s'.", pipe_name);
-                        }
                             break;
                         default:EXIT_ON_ERROR("Type %d not managed.", program_option.type);
                     }
                 }
-            }
-            if (ret=='h') { // We need to check it now otherwise, it may ask for parameter (blocking scanf)
-                FREE(long_options);
-                return;
+                
+                if (ret=='h') { // We need to check it now otherwise, it may ask for parameter (blocking scanf)
+                    FREE(long_options);
+                    return false ;
+                }
             }
         }
     }
@@ -265,13 +266,15 @@ static void blc_program_option_interpret(int *argc, char **argv[])
     for(auto const &program_option:program_options)
     {
         switch (program_option.type){
-                case STRING:
+            case STRING:
                 if (*program_option.string_pt==NULL) *program_option.string_pt=(char*)program_option.default_value;
                 break;
         }
     }
+    
     (*argc)-=optind;
     (*argv)+=optind;
+    return true;
 }
 
 
@@ -285,7 +288,7 @@ static void blc_program_interpret_parameters(int *argc, char **argv[]){
     
     for(auto const &program_parameter :program_parameters){
         switch(program_parameter.type){
-                case STRING :
+            case STRING :
                 if ((*argc)==0){//There is no more argument to interpret
                     if (program_parameter.required_nb){
                         if (isatty(STDIN_FILENO)) fprintf(stderr, "%s: %s? ", program_parameter.help, program_parameter.name);
@@ -313,7 +316,7 @@ static void blc_program_interpret_parameters(int *argc, char **argv[]){
                 }
                 break;
                 
-                case STRING_LIST:
+            case STRING_LIST:
                 if (isatty(STDIN_FILENO)) {
                     
                     missing_parameters_nb = abs(program_parameter.required_nb)-(*argc);
@@ -358,7 +361,6 @@ static void blc_program_interpret_parameters(int *argc, char **argv[]){
                 
                 tmp_parameter=nullptr;
                 APPEND_ITEM(program_parameter.string_list_pt, &list_parameters_nb, &tmp_parameter);
-
                 break;
         }
     }
@@ -367,8 +369,8 @@ static void blc_program_interpret_parameters(int *argc, char **argv[]){
 void blc_program_parse_args(int *argc, char ***argv){
     blc_program_name=basename(*argv[0]);
     SYSTEM_ERROR_CHECK(asprintf((char**)&blc_program_id, "%s%d", blc_program_name, getpid()), -1, "Argv0: '%s'", *argv[0]);
-    blc_program_option_interpret(argc, argv);
-    blc_program_interpret_parameters(argc, argv);
+    if (blc_program_option_interpret(argc, argv))  blc_program_interpret_parameters(argc, argv);
+    //else it was 'help'
 }
 
 void blc_program_parse_args_and_print_title(int *argc, char ***argv){