diff --git a/ChangeLog b/ChangeLog
index 80ad4c6b10..d1a3804327 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2018-01-30  Rafal Luzynski  <digitalfreak@lingonborough.com>
+
+	[BZ #10871]
+	* localedata/locales/hr_HR (mon): Rename to...
+	(alt_mon): This.
+	(mon): Import from CLDR (genitive case).
+	(d_t_fmt): Update the comment.
+
 2018-01-29  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/posix/fpathconf.c (__fpathconf): Verify the values of
diff --git a/localedata/locales/hr_HR b/localedata/locales/hr_HR
index 9aaf803a4f..1a616aa052 100644
--- a/localedata/locales/hr_HR
+++ b/localedata/locales/hr_HR
@@ -211,7 +211,7 @@ abmon   "sij";"velj";/
         "srp";"kol";/
         "ruj";"lis";/
         "stu";"pro"
-mon     "sije<U010D>anj";/
+alt_mon "sije<U010D>anj";/
         "velja<U010D>a";/
         "o<U017E>ujak";/
         "travanj";/
@@ -223,9 +223,21 @@ mon     "sije<U010D>anj";/
         "listopad";/
         "studeni";/
         "prosinac"
+mon     "sije<U010D>nja";/
+        "velja<U010D>e";/
+        "o<U017E>ujka";/
+        "travnja";/
+        "svibnja";/
+        "lipnja";/
+        "srpnja";/
+        "kolovoza";/
+        "rujna";/
+        "listopada";/
+        "studenoga";/
+        "prosinca"
 % %A - full weekday name
 % %d - day of month (with padded 0)
-% %B - full month name
+% %B - full month name (genitive case)
 % %Y - year with century
 % %T - 24-hour time
 % %Z - time zone