diff --git a/src/execute_visitor.cpp b/src/execute_visitor.cpp
index 39a2bf1..b74c829 100644
--- a/src/execute_visitor.cpp
+++ b/src/execute_visitor.cpp
@@ -752,10 +752,9 @@ void ExecuteVisitor::CheckPattern(Pattern& node, const BaseNode& base_node) {
       break;
     case 1:
       Visitor::Visit(*std::get<std::unique_ptr<Literal>>(node));
-      error_handling::HandleInternalError("Unimplemented EqualValues", "ExecuteVisitor.CheckPattern");
-      // if (!context_manager_.EqualValues(current_value_, value)) { // TODO
-      //   case_matched_ = false;
-      // }
+      if (!context_manager_.EqualValues(current_value_, value)) { // TODO
+         case_matched_ = false;
+      }
       break;
     case 2:
       Visit(std::get<std::unique_ptr<TypeConstructorPattern>>(node).get());