diff --git a/jansson.spec b/jansson.spec
index d21d810..c1bbee9 100644
--- a/jansson.spec
+++ b/jansson.spec
@@ -1,6 +1,6 @@
 Name:          jansson
-Version:       2.11
-Release:       2mamba
+Version:       2.12
+Release:       1mamba
 Summary:       A C library for encoding, decoding and manipulating JSON data
 Group:         System/Libraries
 Vendor:        openmamba
@@ -38,8 +38,9 @@ This package contains libraries and header files for developing applications tha
 
 %prep
 %setup -q
-
-sed -i "s|@libdir@|%{_libdir}|" jansson.pc.in
+%ifarch x86_64
+sed -i "s|\"lib\"|\"lib64\"|" CMakeLists.txt
+%endif
 
 %build
 %cmake -d build \
@@ -54,6 +55,10 @@ sed -i "s|@libdir@|%{_libdir}|" jansson.pc.in
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
 
+%ifarch x86_64
+mv %{buildroot}%{_prefix}/lib/pkgconfig %{buildroot}%{_libdir}
+%endif
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -69,17 +74,19 @@ sed -i "s|@libdir@|%{_libdir}|" jansson.pc.in
 %defattr(-,root,root)
 %{_includedir}/jansson.h
 %{_includedir}/jansson_config.h
-%{_libdir}/cmake/jansson/JanssonConfig.cmake
-%{_libdir}/cmake/jansson/JanssonConfigVersion.cmake
-%{_libdir}/cmake/jansson/JanssonTargets-noconfig.cmake
-%{_libdir}/cmake/jansson/JanssonTargets.cmake
+%{_libdir}/cmake/jansson/janssonConfig.cmake
+%{_libdir}/cmake/jansson/janssonConfigVersion.cmake
+%{_libdir}/cmake/jansson/janssonTargets-noconfig.cmake
+%{_libdir}/cmake/jansson/janssonTargets.cmake
 %{_libdir}/libjansson.so
 %{_libdir}/pkgconfig/jansson.pc
 #%{_libdir}/libjansson.so
-#%{_libdir}/pkgconfig/jansson.pc
 %doc CHANGES README.rst
 
 %changelog
+* Mon Dec 24 2018 Automatic Build System <autodist@mambasoft.it> 2.12-1mamba
+- automatic version update by autodist
+
 * Thu Mar 29 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 2.11-2mamba
 - fix libdir in pkgconfig file