diff --git a/datrie-bigendian.patch b/datrie-bigendian.patch
new file mode 100644
index 0000000..48d0f24
--- /dev/null
+++ b/datrie-bigendian.patch
@@ -0,0 +1,15 @@
+--- datrie-0.7.1/src/datrie.pyx	2018/03/15 17:07:17	1.1
++++ datrie-0.7.1/src/datrie.pyx	2018/03/15 17:09:19
+@@ -1108,8 +1108,10 @@
+     if length == 0:
+         length = cdatrie.alpha_char_strlen(key)*sizeof(cdatrie.AlphaChar)
+     cdef char* c_str = <char*> key
+-    return c_str[:length].decode('utf_32_le')
+-
++    if sys.byteorder == "big":
++        return c_str[:length].decode('utf_32_be')
++    else:
++        return c_str[:length].decode('utf_32_le')
+ 
+ def to_ranges(lst):
+     """
diff --git a/python-datrie.changes b/python-datrie.changes
index 34c5075..c5a38e6 100644
--- a/python-datrie.changes
+++ b/python-datrie.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Mar 15 18:10:19 CET 2018 - ro@suse.de
+
+- add datrie-bigendian.patch (bsc#1085526)
+  to use utf_32_be instead of utf_32_le on bigendian machines 
+
 -------------------------------------------------------------------
 Tue Apr 11 10:17:10 UTC 2017 - jengelh@inai.de
 
diff --git a/python-datrie.spec b/python-datrie.spec
index daffc3b..8de291b 100644
--- a/python-datrie.spec
+++ b/python-datrie.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-datrie
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -25,6 +25,8 @@ License:        LGPL-2.1+
 Group:          Development/Languages/Python
 Url:            https://github.com/kmike/datrie
 Source:         https://files.pythonhosted.org/packages/source/d/datrie/datrie-%{version}.tar.gz
+Patch0:         datrie-bigendian.patch
+BuildRequires:  %{python_module Cython >= 0.26.1}
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module hypothesis}
 BuildRequires:  %{python_module pytest-runner}
@@ -40,6 +42,10 @@ A trie data structure for Python (2.x and 3.x). Uses libdatrie.
 
 %prep
 %setup -q -n datrie-%{version}
+%patch0 -p1
+pushd src
+cython datrie.pyx
+popd
 
 %build
 %python_build