diff --git a/rust/macros/module.rs b/rust/macros/module.rs
index 186a5b8..a7e363c 100644
--- a/rust/macros/module.rs
+++ b/rust/macros/module.rs
@@ -108,11 +108,11 @@
 
             match key.as_str() {
                 "type" => info.type_ = expect_ident(it),
-                "name" => info.name = expect_byte_string(it),
-                "author" => info.author = Some(expect_byte_string(it)),
-                "description" => info.description = Some(expect_byte_string(it)),
-                "license" => info.license = expect_byte_string(it),
-                "alias" => info.alias = Some(expect_byte_string(it)),
+                "name" => info.name = expect_string_ascii(it),
+                "author" => info.author = Some(expect_string(it)),
+                "description" => info.description = Some(expect_string(it)),
+                "license" => info.license = expect_string_ascii(it),
+                "alias" => info.alias = Some(expect_string_ascii(it)),
                 _ => panic!(
                     "Unknown key \"{}\". Valid keys are: {:?}.",
                     key, EXPECTED_KEYS