diff --git a/python-blosc.changes b/python-blosc.changes
index 5796049..f9d10e0 100644
--- a/python-blosc.changes
+++ b/python-blosc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 20 18:37:32 UTC 2020 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- Disable AVX2 to avoid compile-time CPU-detection (boo#1100677)
+
 -------------------------------------------------------------------
 Fri Jul 17 07:17:58 UTC 2020 - Guillaume GARDET <guillaume.gardet@opensuse.org>
 
diff --git a/python-blosc.spec b/python-blosc.spec
index 6e39c95..b482c65 100644
--- a/python-blosc.spec
+++ b/python-blosc.spec
@@ -53,6 +53,7 @@ Python.
 %build
 export CFLAGS="%{optflags}"
 export BLOSC_DIR=%{_prefix}
+export DISABLE_BLOSC_AVX2=1
 %python_exec setup.py build_clib
 %python_exec setup.py build_ext --inplace
 %python_build