diff --git a/src/datepicker/testing/bs-datepicker-utils.spec.ts b/src/datepicker/testing/bs-datepicker-utils.spec.ts
index 5541bb082c..85411986f0 100644
--- a/src/datepicker/testing/bs-datepicker-utils.spec.ts
+++ b/src/datepicker/testing/bs-datepicker-utils.spec.ts
@@ -51,7 +51,7 @@ describe('daterangepicker:', () => {
     expect(JSON.stringify(valuesResult)).toEqual(JSON.stringify(values));
   });
 
-  xit('should update time part of source date', () => {
+  it('should update time part of source date', () => {
     const date = new Date(2019, 1, 1, 12, 30, 59, 999);
     copyTime(date, new Date(2020, 1, 1, 0, 0, 0, 0));
     expect(date.getFullYear()).toEqual(2019);
diff --git a/src/datepicker/utils/copy-time-utils.ts b/src/datepicker/utils/copy-time-utils.ts
index b809ec76dc..149705f3b9 100644
--- a/src/datepicker/utils/copy-time-utils.ts
+++ b/src/datepicker/utils/copy-time-utils.ts
@@ -1,5 +1,5 @@
 export function copyTime(sourceDate: Date, time: Date) {
-  if (!sourceDate || !isNaN(sourceDate.getTime())) {
+  if (!sourceDate || isNaN(sourceDate.getTime())) {
     return;
   }