diff --git a/sonar-plugin-api/src/test/java/org/sonar/api/utils/DateUtilsTest.java b/sonar-plugin-api/src/test/java/org/sonar/api/utils/DateUtilsTest.java
index d2ac50d6ea8b..da9e66eca7e1 100644
--- a/sonar-plugin-api/src/test/java/org/sonar/api/utils/DateUtilsTest.java
+++ b/sonar-plugin-api/src/test/java/org/sonar/api/utils/DateUtilsTest.java
@@ -102,6 +102,12 @@ public void shouldFormatDateTime() {
     assertThat(DateUtils.formatDateTime(new Date()).length()).isGreaterThan(20);
   }
 
+  @Test
+  public void shouldFormatDateTime_with_long() {
+    assertThat(DateUtils.formatDateTime(System.currentTimeMillis())).startsWith("20");
+    assertThat(DateUtils.formatDateTime(System.currentTimeMillis()).length()).isGreaterThan(20);
+  }
+
   @Test
   public void format_date_time_null_safe() {
     assertThat(DateUtils.formatDateTimeNullSafe(new Date())).startsWith("20");