diff --git a/glib2.spec b/glib2.spec
index d33235f..0cf4bd1 100644
--- a/glib2.spec
+++ b/glib2.spec
@@ -1,10 +1,13 @@
 %global _changelog_trimtime %(date +%s -d "1 year ago")
 
+# See https://fedoraproject.org/wiki/Packaging:Python_Appendix#Manual_byte_compilation
+%global __python %{__python3}
+
 Summary: A library of handy utility functions
 Name: glib2
 # git snapshot to work around https://bugzilla.gnome.org/show_bug.cgi?id=762637
 Version: 2.49.4
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: LGPLv2+
 Group: System Environment/Libraries
 URL: http://www.gtk.org
@@ -208,8 +211,10 @@ chmod 644 $RPM_BUILD_ROOT%{_datadir}/bash-completion/completions/*
 %{_mandir}/man1/gdbus-codegen.1*
 %{_mandir}/man1/glib-compile-resources.1*
 %{_mandir}/man1/gresource.1*
-%{_datadir}/gdb/auto-load%{_libdir}/libglib-2.0.so.*-gdb.py*
-%{_datadir}/gdb/auto-load%{_libdir}/libgobject-2.0.so.*-gdb.py*
+%{_datadir}/gdb/auto-load%{_libdir}/libglib-2.0.so.*-gdb.py
+%{_datadir}/gdb/auto-load%{_libdir}/libgobject-2.0.so.*-gdb.py
+# Let's own the directory, as it was not there
+%{_datadir}/gdb/auto-load%{_libdir}/__pycache__
 %{_datadir}/gettext/
 %{_datadir}/systemtap/tapset/*.stp
 
@@ -231,6 +236,9 @@ chmod 644 $RPM_BUILD_ROOT%{_datadir}/bash-completion/completions/*
 %{_datadir}/installed-tests
 
 %changelog
+* Tue Aug 16 2016 Miro Hrončok <mhroncok@redhat.com> - 2.49.4-3
+- Use Python 3 for the RPM Python byte compilation
+
 * Wed Jul 27 2016 Ville Skyttä <ville.skytta@iki.fi> - 2.49.4-2
 - Switch to Python 3 (#1286284)