diff --git a/cfitsio.spec b/cfitsio.spec
index 0dc1931..b84c710 100644
--- a/cfitsio.spec
+++ b/cfitsio.spec
@@ -1,6 +1,6 @@
 Name: cfitsio
 Version: 3.330
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: Library for manipulating FITS data files
 Group: Development/Libraries
 License: MIT
@@ -89,8 +89,8 @@ FC=f95
 export FC
 export CC=gcc # fixes -O*, -g
 %configure --enable-reentrant
-make shared %{?_smp_mflags} SHLIB_LD="gcc -shared -Wl,-soname,libcfitsio.so.%{version}" SHLIB_SUFFIX=".so.%{version}"
-ln -s libcfitsio.so.%{version} libcfitsio.so
+make shared %{?_smp_mflags} SHLIB_LD="gcc -shared -Wl,-soname,libcfitsio-%{version}.so.0" SHLIB_SUFFIX="-%{version}.so.0"
+ln -s libcfitsio-%{version}.so.0 libcfitsio.so
 make fpack %{?_smp_mflags}
 make funpack %{?_smp_mflags}
 unset FC
@@ -106,11 +106,14 @@ rm -rf %{buildroot}
 mkdir -p %{buildroot}
 mkdir -p %{buildroot}%{_libdir}
 mkdir -p %{buildroot}%{_includedir}/%{name}
-make LIBDIR=%{_lib} INCLUDEDIR=include/%{name} CFITSIO_LIB=%{buildroot}%{_libdir} \
-     CFITSIO_INCLUDE=%{buildroot}%{_includedir}/%{name} SHLIB_SUFFIX=".so.%{version}" install
-chmod 755 %{buildroot}%{_libdir}/libcfitsio.so.%{version}
+make LIBDIR=%{_lib} INCLUDEDIR=include/%{name} \
+ CFITSIO_LIB=%{buildroot}%{_libdir} \
+ CFITSIO_INCLUDE=%{buildroot}%{_includedir}/%{name} \
+ SHLIB_SUFFIX="-%{version}.so.0" \
+install
+chmod 755 %{buildroot}%{_libdir}/libcfitsio-%{version}.so.0
 pushd %{buildroot}%{_libdir}
-ln -s libcfitsio.so.%{version} libcfitsio.so
+ln -s libcfitsio-%{version}.so.0 libcfitsio.so
 popd
 mkdir %{buildroot}%{_bindir}
 cp -p f{,un}pack %{buildroot}%{_bindir}/
@@ -122,7 +125,7 @@ chmod 755 %{buildroot}%{_bindir}/f{,un}pack
 
 %files
 %doc README License.txt changes.txt
-%{_libdir}/libcfitsio.so.*
+%{_libdir}/libcfitsio-%{version}.so.0
 
 %files devel
 %{_includedir}/%{name}
@@ -142,6 +145,9 @@ chmod 755 %{buildroot}%{_bindir}/f{,un}pack
 %{_bindir}/funpack
 
 %changelog
+* Tue Mar 19 2013 Sergio Pascual <sergiopr@fedoraproject.org> - 3.330-4
+- Using libcfitsio-version.so.0 as soname
+
 * Tue Mar 19 2013 Sergio Pascual <sergiopr@fedoraproject.org> - 3.330-3
 - Fixed permissions of libcfitsio and fpack, funpack