diff --git a/.valgrindrc b/.valgrindrc
index eb27e5d..832b9fa 100644
--- a/.valgrindrc
+++ b/.valgrindrc
@@ -1,3 +1,4 @@
+# small known issue with argtable2
 {
     argtable arg_parse
     Memcheck:Leak
diff --git a/src/monocoque/helper/parameters.c b/src/monocoque/helper/parameters.c
index 916d604..620e2ca 100644
--- a/src/monocoque/helper/parameters.c
+++ b/src/monocoque/helper/parameters.c
@@ -65,7 +65,7 @@ ConfigError getParameters(int argc, char** argv, Parameters* p)
     struct arg_lit* arg_audio1       = arg_lit0("a", "disable_audio", "force disable of audio devices");
     struct arg_file* arg_conf        = arg_file0("c", "uiconf", "<config_file>", NULL);
     struct arg_file* arg_log         = arg_filen("l", "log", "<log_file>", 0, 1, NULL);
-    struct arg_str* arg_confdir      = arg_strn(NULL, "configdir", "config_dir>", 0, 1, NULL);
+    struct arg_str* arg_confdir      = arg_str1(NULL, NULL, "configdir", "<config_dir>");
     struct arg_int* arg_fps          = arg_int0("f", "fps", "fps", "main data refresh rate");
     struct arg_lit* help             = arg_litn(NULL,"help", 0, 1, "print this help and exit");
     struct arg_lit* vers             = arg_litn(NULL,"version", 0, 1, "print version information and exit");
@@ -114,8 +114,6 @@ ConfigError getParameters(int argc, char** argv, Parameters* p)
         goto cleanup;
     }
 
-    arg_granularity->ival[0] = 1;
-
     nerrors0 = arg_parse(argc,argv,argtable0);
     nerrors1 = arg_parse(argc,argv,argtable1);
     nerrors2 = arg_parse(argc,argv,argtable2);
@@ -241,5 +239,4 @@ cleanup:
     arg_freetable(argtable2,sizeof(argtable2)/sizeof(argtable2[0]));
     arg_freetable(argtable3,sizeof(argtable3)/sizeof(argtable3[0]));
     return exitcode;
-
 }