diff --git a/Genotype-IO/src/test/java/org/molgenis/genotype/bgen/BgenixReaderTest.java b/Genotype-IO/src/test/java/org/molgenis/genotype/bgen/BgenixReaderTest.java
index 43219f833..e04f9f192 100644
--- a/Genotype-IO/src/test/java/org/molgenis/genotype/bgen/BgenixReaderTest.java
+++ b/Genotype-IO/src/test/java/org/molgenis/genotype/bgen/BgenixReaderTest.java
@@ -55,7 +55,7 @@ public void bgenixReaderTest() throws Exception {
 
 		//We can't test this since this is flexible.
 //		assertEquals(bgenixMeta.getIndexCreationTime(), 2017);
-//		assertEquals(bgenixMeta.getLastWriteTime(), (bgenFile.lastModified()/1000L));
+		assertEquals(bgenixMeta.getLastWriteTime(), 1568284398);
 
 		System.out.println(bgenix.getVariantCount());