diff --git a/kf5-kactivities.spec b/kf5-kactivities.spec
index 55ca3bb..b0d566d 100644
--- a/kf5-kactivities.spec
+++ b/kf5-kactivities.spec
@@ -12,10 +12,13 @@ Release:        1%{?dist}
 License:        GPLv2+ and LGPLv2+
 URL:            http://www.kde.org
 
-# git archive --format=tar --prefix=%{name}-%{version}-%{snapshot}/ \
-#             --remote=git://anongit.kde.org/kactivities.git | \
-# bzip2 -c > ${name}-%{version}-%{snapshot}.tar.bz2
-Source0:        http://download.kde.org/stable/frameworks/%{version}/%{framework}-%{version}.tar.xz
+%global revision %(echo %{version} | cut -d. -f3)
+%if %{revision} >= 50
+%global stable unstable
+%else
+%global stable stable
+%endif
+Source0:        http://download.kde.org/%{stable}/frameworks/%{version}/%{framework}-%{version}.tar.xz
 
 BuildRequires:  boost-devel
 
@@ -45,14 +48,12 @@ Provides:       kactivities = %{version}-%{release}
 A KDE Frameworks 5 Tier 3 API for using and interacting with Activities as a
 consumer, application adding information to them or as an activity manager.
 
-
 %package libs
 Summary:        Libraries for KActivities framework
 Requires:       kf5-filesystem
 %description    libs
 %{summary}.
 
-
 %package devel
 Summary:        Developer files for %{name}-libs
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
@@ -85,9 +86,6 @@ rm -r %{buildroot}%{_kf5_qtplugindir}/*.so
 rm -rf %{buildroot}/%{_kf5_datadir}/kf5/kactivitymanagerd
 %endif
 
-%post libs -p /sbin/ldconfig
-%postun libs -p /sbin/ldconfig
-
 
 %if 0%{?build_main_package}
 %files
@@ -101,6 +99,9 @@ rm -rf %{buildroot}/%{_kf5_datadir}/kf5/kactivitymanagerd
 %{_kf5_datadir}/kf5/kactivitymanagerd/
 %endif
 
+%post libs -p /sbin/ldconfig
+%postun libs -p /sbin/ldconfig
+
 %files libs -f kactivities5_qt.lang
 %if !0%{?build_main_package}
 %doc README README.md README.packagers README.developers MAINTAINER