diff --git a/python311.changes b/python311.changes
index 7627d8b..8462f56 100644
--- a/python311.changes
+++ b/python311.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jul 21 14:19:53 UTC 2022 - Matej Cepl <mcepl@suse.com>
+
+- Switch from %primary_interpreter to prjconf-defined
+  %primary_python (gh#openSUSE/python-rpm-macros#127).
+
 -------------------------------------------------------------------
 Thu Jul 14 15:37:35 UTC 2022 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python311.spec b/python311.spec
index 1fdfb43..066049d 100644
--- a/python311.spec
+++ b/python311.spec
@@ -36,6 +36,13 @@
 %bcond_without general
 %endif
 
+%define         python_pkg_name python311
+%if "%{python_pkg_name}" == "%{primary_python}"
+%define primary_interpreter 1
+%else
+%define primary_interpreter 0
+%endif
+
 %if 0%{?sle_version} && 0%{?suse_version} < 1550
 # Obsoleting previous "latest" Python versions
 # Next versions will get more lines like for older versions
@@ -59,10 +66,6 @@ Obsoletes:      python39%{?1:-%{1}}
 %else
 %define tarversion %{version}
 %endif
-%define         python_pkg_name python311
-# Will provide the python3-* provides
-# Will do the /usr/bin/python3 and all the core links
-%define         primary_interpreter 0
 # We don't process beta signs well
 %define         folderversion 3.11.0
 %define         tarname    Python-%{tarversion}