diff --git a/quickjs.c b/quickjs.c
index aa43c7e66..f3cdffe41 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -20773,9 +20773,21 @@ static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj,
                     }
                     switch (opcode) {
                     case OP_with_get_var:
-                        val = JS_GetProperty(ctx, obj, atom);
-                        if (unlikely(JS_IsException(val)))
+                        ret = JS_HasProperty(ctx, obj, atom);
+                        if (unlikely(ret < 0))
                             goto exception;
+                        
+                        if (ret == 0) {
+                            if (is_strict_mode(ctx)) {
+                                JS_ThrowReferenceErrorNotDefined(ctx, atom);
+                                goto exception;
+                            }
+                            val = JS_UNDEFINED;
+                        } else {
+                            val = JS_GetProperty(ctx, obj, atom);
+                            if (unlikely(JS_IsException(val)))
+                                goto exception;
+                        }
                         set_value(ctx, &sp[-1], val);
                         break;
                     case OP_with_put_var:
diff --git a/test262_errors.txt b/test262_errors.txt
index 082fb016a..827a154e3 100644
--- a/test262_errors.txt
+++ b/test262_errors.txt
@@ -45,8 +45,6 @@ test262/test/language/statements/class/elements/syntax/valid/grammar-field-named
 test262/test/language/statements/class/elements/syntax/valid/grammar-field-named-set-followed-by-generator-asi.js:40: strict mode: SyntaxError: invalid property name
 test262/test/language/statements/using/initializer-disposed-at-end-of-imported-module.js:11: SyntaxError: exported variable 'resource' does not exist
 test262/test/language/statements/with/get-binding-value-call-with-proxy-env.js:39: Test262Error: Actual [has:Object, get:Symbol(Symbol.unscopables), get:Object] and expected [has:Object, get:Symbol(Symbol.unscopables), has:Object, get:Object] should have the same contents. 
-test262/test/language/statements/with/get-binding-value-idref-with-proxy-env.js:39: Test262Error: Actual [has:Object, get:Symbol(Symbol.unscopables), get:Object] and expected [has:Object, get:Symbol(Symbol.unscopables), has:Object, get:Object] should have the same contents. 
-test262/test/language/statements/with/get-mutable-binding-binding-deleted-in-get-unscopables-strict-mode.js:21: Test262Error: Expected a ReferenceError to be thrown but no exception was thrown at all
 test262/test/language/statements/with/set-mutable-binding-binding-deleted-with-typed-array-in-proto-chain.js:20: Test262Error: Expected SameValue(«[object Object]», «undefined») to be true
 test262/test/language/statements/with/set-mutable-binding-idref-compound-assign-with-proxy-env.js:58: Test262Error: Actual [has:p, get:Symbol(Symbol.unscopables), get:p, set:p, getOwnPropertyDescriptor:p, defineProperty:p] and expected [has:p, get:Symbol(Symbol.unscopables), has:p, get:p, has:p, set:p, getOwnPropertyDescriptor:p, defineProperty:p] should have the same contents. 
 test262/test/language/statements/with/set-mutable-binding-idref-with-proxy-env.js:50: Test262Error: Actual [has:p, get:Symbol(Symbol.unscopables), set:p, getOwnPropertyDescriptor:p, defineProperty:p] and expected [has:p, get:Symbol(Symbol.unscopables), has:p, set:p, getOwnPropertyDescriptor:p, defineProperty:p] should have the same contents.