diff --git a/schala-lang/language/src/parsing/new.rs b/schala-lang/language/src/parsing/new.rs
index 1aba2a3..1ba59d9 100644
--- a/schala-lang/language/src/parsing/new.rs
+++ b/schala-lang/language/src/parsing/new.rs
@@ -109,10 +109,10 @@ peg::parser! {
             alias:identifier() _ "=" _ name:identifier() { Declaration::TypeAlias { alias: rc_string(alias), original: rc_string(name), } }
 
         rule type_anno() -> TypeIdentifier =
-            ":" _ ident:identifier() { TypeIdentifier::Singleton(TypeSingletonName { name: Rc::new(ident.to_string()), params: vec![] }) }
+            ":" _ identifier:type_identifier() { identifier }
 
         pub rule expression() -> Expression =
-            _ kind:expression_kind() { Expression { id: Default::default(), type_anno: None, kind: kind } }
+            _ kind:expression_kind() _ type_anno:type_anno()? { Expression { id: Default::default(), type_anno, kind: kind } }
 
         rule expression_no_struct() -> Expression =
             _ kind:expression_kind_no_struct() { Expression { id: Default::default(), type_anno: None, kind: kind } }
diff --git a/schala-lang/language/src/parsing/test.rs b/schala-lang/language/src/parsing/test.rs
index 0069c34..f7b0c4f 100644
--- a/schala-lang/language/src/parsing/test.rs
+++ b/schala-lang/language/src/parsing/test.rs
@@ -547,7 +547,7 @@ fn type_annotations() {
     use ExpressionKind::*;
     use TypeIdentifier::*;
 
-    assert_ast!(
+    assert_ast2!(
         "let a = b : Int",
         vec![decl(Declaration::Binding {
             name: rc("a"),
@@ -557,11 +557,11 @@ fn type_annotations() {
         })]
     );
 
-    assert_expr!(
+    assert_expr2!(
         "a: Int",
         expr_anno(Value(qn!(a)), Singleton(TypeSingletonName { name: rc("Int"), params: vec![] }))
     );
-    assert_expr!(
+    assert_expr2!(
         "a: Option<Int>",
         expr_anno(
             Value(qn!(a)),
@@ -571,7 +571,7 @@ fn type_annotations() {
             })
         )
     );
-    assert_expr!(
+    assert_expr2!(
         "a: KoreanBBQSpecifier<Kimchi, Option<Bulgogi> >",
         expr_anno(
             Value(qn!(a)),
@@ -587,7 +587,7 @@ fn type_annotations() {
             })
         )
     );
-    assert_expr!(
+    assert_expr2!(
         "a: (Int, Yolo<a>)",
         expr_anno(
             Value(qn!(a)),