diff --git a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/utils/DateUtilsTest.kt b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/utils/DateUtilsTest.kt
index 22b6e0057..40552dfaa 100644
--- a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/utils/DateUtilsTest.kt
+++ b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/utils/DateUtilsTest.kt
@@ -56,7 +56,7 @@ class DateUtilsTest : BaseUnitTest() {
         val timestamp = unixTime(2015, Calendar.DECEMBER, 31)
         val date = Timestamp(timestamp).toCalendar()
         val formatted = formatHeaderDate(date)
-        assertThat(formatted, equalTo("Thu\n31"))
+        assertThat(formatted, equalTo("Thu\n31\nDec"))
     }
 
     @Test