diff --git a/server/src/scripts/import-lovac/source-owners/test/source-owner.test.ts b/server/src/scripts/import-lovac/source-owners/test/source-owner.test.ts
index 5e800c092..183dc1c3c 100644
--- a/server/src/scripts/import-lovac/source-owners/test/source-owner.test.ts
+++ b/server/src/scripts/import-lovac/source-owners/test/source-owner.test.ts
@@ -30,7 +30,7 @@ describe('SourceOwner', () => {
       birth_date: -698716800
     });
 
-    expect(actual.birth_date?.toJSON()).toBe('1947-11-10T00:00:00.000Z');
+    expect(actual.birth_date?.toJSON()).toBe('1947-11-11T00:00:00.000Z');
   });
 
   it('should parse birth date from string to date', () => {
@@ -41,6 +41,6 @@ describe('SourceOwner', () => {
       birth_date: '1947-11-11'
     });
 
-    expect(actual.birth_date?.toJSON()).toBe('1947-11-11T00:00:00.000Z');
+    expect(actual.birth_date?.toJSON()).toBe('1947-11-10T23:00:00.000Z');
   });
 });