diff --git a/qt6-qtbase.spec b/qt6-qtbase.spec
index 5ae0542..694f653 100644
--- a/qt6-qtbase.spec
+++ b/qt6-qtbase.spec
@@ -18,7 +18,7 @@
 
 Name:          qt6-qtbase
 Version:       6.6.1
-Release:       3mamba
+Release:       4mamba
 Summary:       A multiplatform, C++ GUI application development framework
 Group:         System/Libraries
 Vendor:        openmamba
@@ -420,12 +420,12 @@ popd
 %endif
 
 %if "%{_qt6_libdir}" == "%{_libdir}"
-install -d -m0755 %{buildroot}%{_qt6_prefix}/lib
+install -d -m0755 %{buildroot}%{_qt6_archdatadir}/lib
 pushd %{buildroot}%{_libdir}
 for f in *.so; do
-   ln -sf ../../$f %{buildroot}%{_qt6_prefix}/lib/${f}
+   ln -sf ../../$f %{buildroot}%{_qt6_archdatadir}/lib/${f}
 done
-ln -sf %{_qt6_libdir}/libGL.so %{buildroot}%{_qt6_prefix}/lib/libGL.so
+ln -sf %{_qt6_libdir}/libGL.so %{buildroot}%{_qt6_archdatadir}/lib/libGL.so
 popd
 %endif
 
@@ -611,8 +611,8 @@ echo "\
 %{_qt6_libdir}/libQt6*.a
 %{_qt6_libdir}/libQt6*.so
 %{_qt6_libdir}/libQt6*.prl
-%dir %{_qt6_prefix}/lib/
-%{_qt6_prefix}/lib/*.so
+%dir %{_qt6_archdatadir}/lib/
+%{_qt6_archdatadir}/lib/*.so
 %{_libdir}/qt6/metatypes/qt6*.json
 %dir %{_libdir}/cmake/Qt6*
 %{_libdir}/cmake/Qt6*/*
@@ -643,6 +643,9 @@ echo "\
 %{_qt6_plugindir}/sqldrivers/libqsqlite.so
 
 %changelog
+* Mon Jan 15 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.6.1-4mamba
+- fix for .so symlinks installed in %_qt6_prefix instead of %_qt6_archdatadir
+
 * Sat Jan 13 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.6.1-3mamba
 - updated rpm macros file