diff --git a/coreutils-i18n.patch b/coreutils-i18n.patch
index 024e47e..fbdf9ba 100644
--- a/coreutils-i18n.patch
+++ b/coreutils-i18n.patch
@@ -3261,8 +3261,8 @@ Index: src/sort.c
 +
 +      if (ignore || translate)
 +        {
-+          char *copy_a = (char *) xmalloc (lena + 1 + lenb + 1);
-+          char *copy_b = copy_a + lena + 1;
++          char *copy_a = (char *) xmalloc((lena + lenb) * MB_CUR_MAX + 2);
++          char *copy_b = copy_a + (lena * MB_CUR_MAX) + 1; 
 +          size_t new_len_a, new_len_b;
 +          size_t i, j;
 +
diff --git a/coreutils-testsuite.changes b/coreutils-testsuite.changes
index ff84b8d..ce627b4 100644
--- a/coreutils-testsuite.changes
+++ b/coreutils-testsuite.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue May 12 08:56:13 UTC 2015 - mail@bernhard-voelker.de
+
+- Fix memory handling error with case insensitive sort using UTF-8
+  (boo#928749):
+  * coreutils-i18n.patch: Allocate more memory as the upper form of
+    some multi-byte characters may be 1 byte wider.
+
 -------------------------------------------------------------------
 Tue Apr  7 18:18:31 UTC 2015 - crrodriguez@opensuse.org
 
diff --git a/coreutils.changes b/coreutils.changes
index ff84b8d..ce627b4 100644
--- a/coreutils.changes
+++ b/coreutils.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue May 12 08:56:13 UTC 2015 - mail@bernhard-voelker.de
+
+- Fix memory handling error with case insensitive sort using UTF-8
+  (boo#928749):
+  * coreutils-i18n.patch: Allocate more memory as the upper form of
+    some multi-byte characters may be 1 byte wider.
+
 -------------------------------------------------------------------
 Tue Apr  7 18:18:31 UTC 2015 - crrodriguez@opensuse.org