diff --git a/AppStream.changes b/AppStream.changes
index e462ce3..14c513d 100644
--- a/AppStream.changes
+++ b/AppStream.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Sep 21 19:17:57 UTC 2016 - fabian@ritter-vogt.de
+
+- Use a define for the so version and fix -devel requiring the old libappstream3 
+
 -------------------------------------------------------------------
 Fri Sep 16 07:45:43 UTC 2016 - alarrosa@suse.com
 
diff --git a/AppStream.spec b/AppStream.spec
index a018ab6..01100d3 100644
--- a/AppStream.spec
+++ b/AppStream.spec
@@ -16,6 +16,8 @@
 #
 
 
+%define libappstream_sover 4
+
 Name:           AppStream
 Version:        0.10.0
 Release:        0
@@ -44,12 +46,12 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 AppStream-Core makes it easy to access application information from the
 AppStream database over a nice GObject-based interface.
 
-%package -n libappstream4
+%package -n libappstream%{libappstream_sover}
 Summary:        The main library for AppStream
 License:        GPL-2.0+ and LGPL-2.1+
 Group:          System/Libraries
 
-%description -n libappstream4
+%description -n libappstream%{libappstream_sover}
 The main library for AppStream.
 
 %package -n libAppstreamQt1
@@ -65,7 +67,7 @@ Summary:        Needed include files and libraries for development
 License:        GPL-2.0+ and LGPL-2.1+
 Group:          Development/Libraries/C and C++
 Requires:       libAppstreamQt1 = %{version}
-Requires:       libappstream4 = %{version}
+Requires:       libappstream%{libappstream_sover} = %{version}
 
 %description -n libAppstreamQt-devel
 This package contains all necessary include files, libraries,
@@ -76,7 +78,7 @@ compile and link applications using the Qt bindings for AppStream.
 Summary:        Needed include files and libraries for development
 License:        GPL-2.0+
 Group:          Development/Libraries/C and C++
-Requires:       libappstream3 = %{version}
+Requires:       libappstream%{libappstream_sover} = %{version}
 
 %description devel
 This package contains all necessary include files, libraries,
@@ -121,9 +123,9 @@ SUFFIX=""
 
 %find_lang appstream %{name}.lang
 
-%post -n libappstream4 -p /sbin/ldconfig
+%post -n libappstream%{libappstream_sover} -p /sbin/ldconfig
 
-%postun -n libappstream4 -p /sbin/ldconfig
+%postun -n libappstream%{libappstream_sover} -p /sbin/ldconfig
 
 %post -n libAppstreamQt1 -p /sbin/ldconfig
 
@@ -140,7 +142,7 @@ SUFFIX=""
 #{_datadir}/app-info/categories.xml
 %{_mandir}/man1/appstreamcli.*
 
-%files -n libappstream4
+%files -n libappstream%{libappstream_sover}
 %defattr(-,root,root)
 %doc LICENSE* NEWS
 %{_libdir}/libappstream.so.*