diff --git a/src/Select.tsx b/src/Select.tsx
index 99e72bfe9..72c33317a 100644
--- a/src/Select.tsx
+++ b/src/Select.tsx
@@ -450,7 +450,7 @@ const Select = React.forwardRef(
             ? {
                 label: option?.[mergedFieldNames.label],
                 value: val,
-                key: option.key ?? val,
+                key: option?.key ?? val,
               }
             : val,
           injectPropsWithOption(option),
diff --git a/tests/Multiple.test.tsx b/tests/Multiple.test.tsx
index a5e6f6b6e..f4ccee4b0 100644
--- a/tests/Multiple.test.tsx
+++ b/tests/Multiple.test.tsx
@@ -475,6 +475,27 @@ describe('Select.Multiple', () => {
     expect(wrapper.exists('.rc-select-selection-item-remove')).toBeFalsy();
   });
 
+  it('do not crash if value not in options when removing option', () => {
+    const wrapper = mount(
+      <Select
+        defaultValue={[
+          {
+            label: 'value not in options',
+            value: 'value-not-in-options',
+          },
+        ]}
+        mode="multiple"
+        labelInValue
+      >
+        <Option value={1}>1</Option>
+        <Option value={2}>2</Option>
+      </Select>,
+    );
+    expect(findSelection(wrapper, 0).text()).toEqual('value not in options');
+    removeSelection(wrapper, 0);
+    expect(wrapper.find('Selector').props().values.length).toEqual(0);
+  });
+
   describe('optionLabelProp', () => {
     it('basic', () => {
       const wrapper = mount(