diff --git a/src/builtin/macros.rs b/src/builtin/macros.rs
index 5d50fe7..9dbcfdc 100644
--- a/src/builtin/macros.rs
+++ b/src/builtin/macros.rs
@@ -28,7 +28,11 @@ macro_rules! decl {
 macro_rules! max_args {
     ($args:ident, $count:literal) => {
         if $args.len() > $count {
-            return Err(format!("Only {} argument allowed, but {} were passed.", $count, $args.len()).into());
+            if $count > 1 {
+                return Err(format!("Only {} arguments allowed, but {} were passed.", $count, $args.len()).into());
+            } else {
+                return Err(format!("Only {} argument allowed, but {} were passed.", $count, $args.len()).into());
+            }
         }
     };
 }
\ No newline at end of file