diff --git a/include/bolt/CST.hpp b/include/bolt/CST.hpp
index 0be4f143d..9e533b5a2 100644
--- a/include/bolt/CST.hpp
+++ b/include/bolt/CST.hpp
@@ -885,11 +885,11 @@ namespace bolt {
   class TypeclassConstraintExpression : public ConstraintExpression {
   public:
 
-    Identifier* Name;
+    IdentifierAlt* Name;
     std::vector<VarTypeExpression*> TEs;
 
     TypeclassConstraintExpression(
-      Identifier* Name,
+      IdentifierAlt* Name,
       std::vector<VarTypeExpression*> TEs
     ): ConstraintExpression(NodeKind::TypeclassConstraintExpression),
        Name(Name),
diff --git a/src/Parser.cc b/src/Parser.cc
index 5bb71521c..16b95ba9e 100644
--- a/src/Parser.cc
+++ b/src/Parser.cc
@@ -547,7 +547,7 @@ after_params:
         return parseExpressionStatement();
     }
   }
-
+#
   ConstraintExpression* Parser::parseConstraintExpression() {
     bool HasTilde = false;
     for (std::size_t I = 0; ; I++) {
@@ -572,7 +572,7 @@ after_seek:
       auto Right = parseArrowTypeExpression();
       return new EqualityConstraintExpression { Left, Tilde, Right };
     }
-    auto Name = expectToken<Identifier>();
+    auto Name = expectToken<IdentifierAlt>();
     std::vector<VarTypeExpression*> TEs;
     for (;;) {
       auto T1 = Tokens.peek();