diff --git a/cli/src/generate/rules.rs b/cli/src/generate/rules.rs
index f3e39ebf..a1295ffd 100644
--- a/cli/src/generate/rules.rs
+++ b/cli/src/generate/rules.rs
@@ -366,7 +366,7 @@ impl FromIterator<Symbol> for TokenSet {
 
 fn add_metadata<T: FnOnce(&mut MetadataParams)>(input: Rule, f: T) -> Rule {
     match input {
-        Rule::Metadata { rule, mut params } => {
+        Rule::Metadata { rule, mut params } if !params.is_token => {
             f(&mut params);
             Rule::Metadata { rule, params }
         }
diff --git a/test/fixtures/test_grammars/aliased_token_rules/corpus.txt b/test/fixtures/test_grammars/aliased_token_rules/corpus.txt
new file mode 100644
index 00000000..cb37a095
--- /dev/null
+++ b/test/fixtures/test_grammars/aliased_token_rules/corpus.txt
@@ -0,0 +1,9 @@
+======================
+Aliased token rules
+======================
+
+abcde
+
+---
+
+(expression (X) (Y))
diff --git a/test/fixtures/test_grammars/aliased_token_rules/grammar.json b/test/fixtures/test_grammars/aliased_token_rules/grammar.json
new file mode 100644
index 00000000..76df46eb
--- /dev/null
+++ b/test/fixtures/test_grammars/aliased_token_rules/grammar.json
@@ -0,0 +1,61 @@
+{
+  "name": "aliased_token_rules",
+
+  "extras": [
+    {"type": "PATTERN", "value": "\\s"}
+  ],
+
+  "rules": {
+    "expression": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "a"
+        },
+        {
+          "type": "ALIAS",
+          "value": "X",
+          "named": true,
+          "content": {
+            "type": "TOKEN",
+            "content": {
+              "type": "SEQ",
+              "members": [
+                {
+                  "type": "STRING",
+                  "value": "b"
+                },
+                {
+                  "type": "STRING",
+                  "value": "c"
+                }
+              ]
+            }
+          }
+        },
+        {
+          "type": "ALIAS",
+          "value": "Y",
+          "named": true,
+          "content": {
+            "type": "IMMEDIATE_TOKEN",
+            "content": {
+              "type": "SEQ",
+              "members": [
+                {
+                  "type": "STRING",
+                  "value": "d"
+                },
+                {
+                  "type": "STRING",
+                  "value": "e"
+                }
+              ]
+            }
+          }
+        }
+      ]
+    }
+  }
+}
diff --git a/test/fixtures/test_grammars/aliased_token_rules/readme.md b/test/fixtures/test_grammars/aliased_token_rules/readme.md
new file mode 100644
index 00000000..03898a5f
--- /dev/null
+++ b/test/fixtures/test_grammars/aliased_token_rules/readme.md
@@ -0,0 +1 @@
+This grammar shows that `ALIAS` rules can be applied directly to `TOKEN` and `IMMEDIATE_TOKEN` rules.