diff --git a/pilang.cpp b/pilang.cpp
index 0cd9580..7119756 100644
--- a/pilang.cpp
+++ b/pilang.cpp
@@ -39,7 +39,7 @@ namespace Pilang3 {
                 char character = *characterit;
                 // Start new command name
                 if (in_command_name) {
-                    if (character != ' ' and character != '\n' and character != ';') {
+                    if (not is_sep(character) and character != ';') {
                         cache.push_back(character);
                     } else {
                         command_name = cache;