diff --git a/python-numpy.changes b/python-numpy.changes
index 92d8255..d954928 100644
--- a/python-numpy.changes
+++ b/python-numpy.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Apr 26 13:04:17 UTC 2020 - Andreas Schwab <schwab@suse.de>
+
+- Disable TestF{77,90}ReturnCharacter on big-endian architectures (#11831)
+
 -------------------------------------------------------------------
 Fri Apr 24 15:44:55 UTC 2020 - Arun Persaud <arun@gmx.de>
 
diff --git a/python-numpy.spec b/python-numpy.spec
index bb59d41..690b7bd 100644
--- a/python-numpy.spec
+++ b/python-numpy.spec
@@ -158,7 +158,8 @@ This package contains files for developing applications using numpy.
 %patch0 -p1
 %patch1 -p1
 %patch3 -p1
-%ifarch s390x
+%ifarch s390x ppc ppc64
+# TestF{77,90}ReturnCharacter are broken on all big-endian architectures (#11831)
 %patch4 -p1
 %endif
 # Fix non-executable scripts