diff --git a/python-numpy.changes b/python-numpy.changes
index 73ecd01..a056c19 100644
--- a/python-numpy.changes
+++ b/python-numpy.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Sep 22 16:40:40 UTC 2020 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
+
+- Fix upgrade from older distro versions which did not package
+  f2py using update-alternatives (catched by openQA, boo#1176832).
+
 -------------------------------------------------------------------
 Fri Sep 18 08:19:50 UTC 2020 - Egbert Eich <eich@suse.com>
 
diff --git a/python-numpy.spec b/python-numpy.spec
index 0817243..a63a6bf 100644
--- a/python-numpy.spec
+++ b/python-numpy.spec
@@ -103,6 +103,10 @@ BuildRequires:  openblas-devel > 0.3.4
 BuildRequires:  blas-devel
 BuildRequires:  lapack-devel
  %endif
+# Last version which packaged %%{_bindir}/f2py without update-alternatives
+# Protect it from substitution
+%define oldpy_numpy python-numpy
+Conflicts:      %{oldpy_numpy} <= 1.12.0
 %else
 BuildRequires:  %{compiler_family}%{?c_f_ver}-compilers-hpc-macros-devel
 BuildRequires:  libopenblas%{?hpc_ext}-%{compiler_family}%{?c_f_ver}-hpc-devel