diff --git a/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.test.tsx b/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.test.tsx
index 4bb7a40a437..fd24dcee802 100644
--- a/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.test.tsx
+++ b/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.test.tsx
@@ -10,6 +10,7 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
+import { ExtensionDataProps } from '../../components/Modals/ModalWithCustomProperty/ModalWithMarkdownEditor.interface';
 import { EntityType } from '../../enums/entity.enum';
 import {
   MOCK_GLOSSARY_TERM_CUSTOM_PROPERTIES,
@@ -163,5 +164,14 @@ describe('CSVUtils', () => {
         MOCK_GLOSSARY_TERM_CUSTOM_PROPERTIES_CONVERTED_EXTENSION_CSV_STRING
       );
     });
+
+    it('should return string correctly which contains undefined as value for property', () => {
+      const convertedCSVEntities = convertEntityExtensionToCustomPropertyString(
+        { dateCp: undefined } as unknown as ExtensionDataProps,
+        MOCK_GLOSSARY_TERM_CUSTOM_PROPERTIES
+      );
+
+      expect(convertedCSVEntities).toStrictEqual(`dateCp:undefined`);
+    });
   });
 });
diff --git a/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.tsx b/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.tsx
index eecb1291978..c6f23d1d198 100644
--- a/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.tsx
+++ b/openmetadata-ui/src/main/resources/ui/src/utils/CSV/CSV.utils.tsx
@@ -11,7 +11,14 @@
  *  limitations under the License.
  */
 import { TypeColumn } from '@inovua/reactdatagrid-community/types';
-import { compact, get, isEmpty, isUndefined, startCase } from 'lodash';
+import {
+  compact,
+  get,
+  isEmpty,
+  isString,
+  isUndefined,
+  startCase,
+} from 'lodash';
 import React from 'react';
 import { ReactComponent as SuccessBadgeIcon } from '../..//assets/svg/success-badge.svg';
 import { ReactComponent as FailBadgeIcon } from '../../assets/svg/fail-badge.svg';
@@ -392,12 +399,13 @@ export const convertEntityExtensionToCustomPropertyString = (
         convertCustomPropertyValueExtensionToStringBasedOnType(
           value,
           customPropertiesMapByName[key]
-        ) as string;
+        );
 
       const endValue = isLastElement ? '' : ';';
 
       const hasSeparator =
-        stringValue.includes(',') || stringValue.includes(';');
+        isString(stringValue) &&
+        (stringValue.includes(',') || stringValue.includes(';'));
 
       // Check if the property type is markdown or sqlQuery or string and add quotes around the value
       if (