diff --git a/boost.changes b/boost.changes
index 015980d..f32537f 100644
--- a/boost.changes
+++ b/boost.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Dec 13 04:03:05 UTC 2019 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
+
+- Remove hardcoded abiflags (%py3_abiflags is not available for 3
+  years), use python3-config instead. Fixes build with Python 3.8.
+
 -------------------------------------------------------------------
 Fri Nov  8 15:21:03 UTC 2019 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
 
diff --git a/boost.spec b/boost.spec
index 6a09059..ea755fd 100644
--- a/boost.spec
+++ b/boost.spec
@@ -1323,7 +1323,7 @@ EOF
 %if %{with python3}
 cp user-config.jam user-config-py3.jam
 # sed -i -e 's#//boost_python#//boost_python3#' ./user-config-py3.jam
-%{?!py3_abiflags: %define py3_abiflags m}
+%define py3_abiflags %(python3-config --abiflags)
 %{?!python3_version: %define python3_version %{py3_ver} }
 
 cat << EOF >> user-config-py3.jam