diff --git a/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/RelativeDateFormatter.java b/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/RelativeDateFormatter.java
index 2f0df8c..a0c4aa6 100644
--- a/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/RelativeDateFormatter.java
+++ b/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/RelativeDateFormatter.java
@@ -121,6 +121,10 @@
       if (months == 0) {
         return m().years0MonthsAgo(years, yearLabel);
       }
+      if (months == 12) {
+        years++;
+        return m().years0MonthsAgo(years, yearLabel);
+      }
       return m().yearsMonthsAgo(years, yearLabel, months, monthLabel);
     }
 
diff --git a/gerrit-gwtui-common/src/test/java/com/google/gerrit/client/RelativeDateFormatterTest.java b/gerrit-gwtui-common/src/test/java/com/google/gerrit/client/RelativeDateFormatterTest.java
index 513d95a..5180410 100644
--- a/gerrit-gwtui-common/src/test/java/com/google/gerrit/client/RelativeDateFormatterTest.java
+++ b/gerrit-gwtui-common/src/test/java/com/google/gerrit/client/RelativeDateFormatterTest.java
@@ -97,7 +97,7 @@
     assertFormat(380, DAY_IN_MILLIS, "1 year, 1 month ago");
     assertFormat(410, DAY_IN_MILLIS, "1 year, 2 months ago");
     assertFormat(2, YEAR_IN_MILLIS, "2 years ago");
-    assertFormat(1824, DAY_IN_MILLIS, "4 years, 12 months ago");
+    assertFormat(1824, DAY_IN_MILLIS, "5 years ago");
   }
 
   @Test