diff --git a/src/cminusfc/cminusf_builder.cpp b/src/cminusfc/cminusf_builder.cpp
index cb34ac50717d52bc2780c29a7f867b791db6aa59..03604446758b46c3ef4e80bd10dfefcaf24734f1 100644
--- a/src/cminusfc/cminusf_builder.cpp
+++ b/src/cminusfc/cminusf_builder.cpp
@@ -76,7 +76,7 @@ Value* CminusfBuilder::visit(ASTFunDeclaration &node) {
         // TODO: You need to deal with params and store them in the scope.
     }
     node.compound_stmt->accept(*this);
-    if (builder->get_insert_block()->get_terminator() == nullptr) 
+    if (not builder->get_insert_block()->is_terminated()) 
     {
         if (context.func->get_return_type()->is_void_type())
             builder->create_void_ret();
@@ -106,7 +106,7 @@ Value* CminusfBuilder::visit(ASTCompoundStmt &node) {
 
     for (auto &stmt : node.statement_list) {
         stmt->accept(*this);
-        if (builder->get_insert_block()->get_terminator() == nullptr)
+        if (builder->get_insert_block()->is_terminated())
             break;
     }
     return nullptr;