diff --git a/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.test.tsx b/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.test.tsx
index 6fb715e931c83f..c371d1862be726 100644
--- a/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.test.tsx
+++ b/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.test.tsx
@@ -54,6 +54,14 @@ describe('Build KQL Query', () => {
     expect(cleanUpKqlQuery(kqlQuery)).toEqual('@timestamp: 1521848183232');
   });
 
+  test('Buld KQL query with one data provider as timestamp (numeric input as string)', () => {
+    const dataProviders = cloneDeep(mockDataProviders.slice(0, 1));
+    dataProviders[0].queryMatch.field = '@timestamp';
+    dataProviders[0].queryMatch.value = '1521848183232';
+    const kqlQuery = buildGlobalQuery(dataProviders, mockBrowserFields);
+    expect(cleanUpKqlQuery(kqlQuery)).toEqual('@timestamp: 1521848183232');
+  });
+
   test('Build KQL query with one data provider as date type (string input)', () => {
     const dataProviders = cloneDeep(mockDataProviders.slice(0, 1));
     dataProviders[0].queryMatch.field = 'event.end';
@@ -70,6 +78,14 @@ describe('Build KQL Query', () => {
     expect(cleanUpKqlQuery(kqlQuery)).toEqual('event.end: 1521848183232');
   });
 
+  test('Buld KQL query with one data provider as date type (numeric input as string)', () => {
+    const dataProviders = cloneDeep(mockDataProviders.slice(0, 1));
+    dataProviders[0].queryMatch.field = 'event.end';
+    dataProviders[0].queryMatch.value = '1521848183232';
+    const kqlQuery = buildGlobalQuery(dataProviders, mockBrowserFields);
+    expect(cleanUpKqlQuery(kqlQuery)).toEqual('event.end: 1521848183232');
+  });
+
   test('Build KQL query with two data provider', () => {
     const dataProviders = cloneDeep(mockDataProviders.slice(0, 2));
     const kqlQuery = buildGlobalQuery(dataProviders, mockBrowserFields);
diff --git a/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.tsx b/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.tsx
index 5ac7004e684a52..b21ea3e4f86e96 100644
--- a/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.tsx
+++ b/x-pack/plugins/security_solution/public/timelines/components/timeline/helpers.tsx
@@ -4,7 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { isEmpty, isNumber, get } from 'lodash/fp';
+import { isEmpty, get } from 'lodash/fp';
 import memoizeOne from 'memoize-one';
 
 import { escapeQueryValue, convertToBuildEsQuery } from '../../../common/lib/keury';
@@ -23,6 +23,8 @@ import {
   Filter,
 } from '../../../../../../../src/plugins/data/public';
 
+const isNumber = (value: string | number) => !isNaN(Number(value));
+
 const convertDateFieldToQuery = (field: string, value: string | number) =>
   `${field}: ${isNumber(value) ? value : new Date(value).valueOf()}`;