diff --git a/7a76a381534012af4790e815140d1538510b7d93.patch b/7a76a381534012af4790e815140d1538510b7d93.patch
new file mode 100644
index 0000000..f09662d
--- /dev/null
+++ b/7a76a381534012af4790e815140d1538510b7d93.patch
@@ -0,0 +1,29 @@
+# HG changeset patch
+# User Armin Rigo <arigo@tunes.org>
+# Date 1536088314 -7200
+# Node ID 7a76a381534012af4790e815140d1538510b7d93
+# Parent  ef09637b23147f63a7d3fda628fa1704c97f1c72
+Issue #382
+
+Second fix attempt, thanks Adam
+
+--- a/testing/cffi0/test_function.py
++++ b/testing/cffi0/test_function.py
+@@ -45,14 +45,14 @@ class TestFunction(object):
+         assert x != math.sin(1.23)    # rounding effects
+         assert abs(x - math.sin(1.23)) < 1E-6
+ 
+-    def test_sin_no_return_value(self):
++    def test_lround_no_return_value(self):
+         # check that 'void'-returning functions work too
+         ffi = FFI(backend=self.Backend())
+         ffi.cdef("""
+-            void sin(double x);
++            void lround(double x);
+         """)
+         m = ffi.dlopen(lib_m)
+-        x = m.sin(1.23)
++        x = m.lround(1.23)
+         assert x is None
+ 
+     def test_dlopen_filename(self):
diff --git a/python-cffi.changes b/python-cffi.changes
index 87659af..8cad3b2 100644
--- a/python-cffi.changes
+++ b/python-cffi.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Oct 29 16:10:03 CET 2018 - mcepl@suse.com
+
+- Add 7a76a381534012af4790e815140d1538510b7d93.patch to fix
+  bsc#1111657 (we need use to proper void returning function not
+  to corrupt memory in tests).
+
 -------------------------------------------------------------------
 Wed Oct 17 18:53:19 CEST 2018 - mcepl@suse.com
 
diff --git a/python-cffi.spec b/python-cffi.spec
index 624bdc5..907ce79 100644
--- a/python-cffi.spec
+++ b/python-cffi.spec
@@ -30,6 +30,8 @@ Source1:        python-cffi-rpmlintrc
 Patch0:         e2e324a2f13e3a646de6f6ff03e90ed7d37e2636.patch
 # https://bitbucket.org/cffi/cffi/issues/378
 Patch1:         3184b0a675fc425b821b528d7fdf744b2f08dadf.patch
+# https://bitbucket.org/cffi/cffi/issues/382/test_sin_no_return_value-violates-calling
+Patch2:         7a76a381534012af4790e815140d1538510b7d93.patch
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pycparser}
 BuildRequires:  %{python_module pytest}