diff --git a/src/visitor.cpp b/src/visitor.cpp
index 45d4218..6c3e9cd 100644
--- a/src/visitor.cpp
+++ b/src/visitor.cpp
@@ -533,7 +533,9 @@ std::any Visitor::visitLAndExp(SysyParser::LAndExpContext *ctx) {
   for (int i = 0; i < eq_exp_list.size(); ++i) {
     auto next_block = build_BasicBlock("", _state.current_func, _state.current_bb->itr);
     auto eq_exp     = any_to_Value(visitEqExp(eq_exp_list[i]));
-    auto condition  = build_InstBinary(InstTag::Ne, eq_exp, CONST0, _state.current_bb);
+    auto condition = eq_exp;
+    if (!TypeHelper::isIntegerTypeI1(eq_exp->type))
+      condition  = build_InstBinary(InstTag::Ne, eq_exp, CONST0, _state.current_bb);
     build_InstBranch(condition, next_block, ctx->false_block, _state.current_bb);
     _state.current_bb = next_block;
   }