diff --git a/20-nvidia.conf b/20-nvidia.conf
new file mode 100644
index 0000000..4087286
--- /dev/null
+++ b/20-nvidia.conf
@@ -0,0 +1,14 @@
+Section "Files"
+  ModulePath   "/usr/lib64/nvidia/xorg"
+  ModulePath   "/usr/lib64/xorg/modules"
+EndSection
+
+Section "Device"
+  Identifier "Nvidia Card"
+  Driver "nvidia"
+  VendorName "NVIDIA Corporation"
+EndSection
+
+Section "ServerFlags"
+  Option "IgnoreABI" "1"
+EndSection
diff --git a/nvidia_340.spec b/nvidia_340.spec
index ca2e089..73ca37c 100644
--- a/nvidia_340.spec
+++ b/nvidia_340.spec
@@ -2,7 +2,7 @@
 Name:          nvidia_340
 Version:       340.108
 Epoch:         1
-Release:       12mamba
+Release:       13mamba
 Summary:       NVIDIA proprietary accelerated drivers for the Linux Kernel
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -12,6 +12,7 @@ URL:           https://www.nvidia.com/en-us/drivers/unix/
 Source0:       http://us.download.nvidia.com/XFree86/Linux-x86/%{version}/NVIDIA-Linux-x86-%{version}.run
 Source1:       http://us.download.nvidia.com/XFree86/Linux-x86_64/%{version}/NVIDIA-Linux-x86_64-%{version}.run
 Source2:       nvidia_340.sysusers
+Source3:       20-nvidia.conf
 Patch0:        nvidia-331.20-x86-conftest.patch
 Patch1:        nvidia-340.102-kernel-4.9.patch
 Patch2:        nvidia_340-340.102-kernel-4.9-2.patch
@@ -176,7 +177,7 @@ install -D -m755 libnvidia-ml.so.%{version} %{buildroot}%{_libdir}/libnvidia-ml.
 install -D -m755 libvdpau_nvidia.so.%{version} %{buildroot}%{_libdir}/vdpau/libvdpau_nvidia.so.%{version}
 
 # nvidia-tls library
-install -D -m755 tls/libnvidia-tls.so.%{version} %{buildroot}%{_libdir}/tls/libnvidia-tls.so.%{version}
+install -D -m755 tls/libnvidia-tls.so.%{version} %{buildroot}%{_libdir}/libnvidia-tls.so.%{version}
 
 # CUDA
 install -D -m755 libcuda.so.%{version} %{buildroot}%{_libdir}/libcuda.so.%{version}
@@ -231,9 +232,12 @@ cp -a kernel/* %{buildroot}%{_prefix}/src/%{name}-%{version}/
 cat kernel/uvm/dkms.conf.fragment >> %{buildroot}%{_prefix}/src/%{name}-%{version}/dkms.conf
 
 ## blacklist nouveau
-#install -d -m0755 %{buildroot}%{_modprobedir}
-#echo "blacklist nouveau
-#" > %{buildroot}%{_modprobedir}/%{name}.conf
+install -d -m0755 %{buildroot}%{_modprobedir}
+echo "blacklist nouveau
+" > %{buildroot}%{_modprobedir}/%{name}.conf
+
+# Install X.org configuration fragment
+install -D -m0644 %{SOURCE2} %{buildroot}%{_sysconfdir}/X11/xorg.conf.d/20-nvidia.conf
 
 ## Clutter workaround (http://blog.sukimashita.com/2015/04/13/gnome-3-16-and-nvidia-binary-driver-crash-with-totem-gnome-maps-cheese-and-others/)
 #mkdir -p %{buildroot}%{_sysconfdir}/profile.d/
@@ -298,11 +302,13 @@ fi
 %defattr(-,root,root)
 #%{_sysconfdir}/profile.d/nvidia-clutter.sh
 %{_sysconfdir}/OpenCL/vendors/nvidia.icd
+%{_sysconfdir}/X11/xorg.conf.d/20-nvidia.conf
 %dir %{_prefix}/src/%{name}-%{version}
 %{_prefix}/src/%{name}-%{version}/*
 %{_bindir}/nvidia-*
-%{_prefix}/lib/systemd/system/nvidia-persistenced.service
+%{_unitdir}/nvidia-persistenced.service
 %{_prefix}/lib/sysusers.d/nvidia.conf
+%{_modprobedir}/%{name}.conf
 %{_libdir}/nvidia/libEGL.so.*
 %{_libdir}/nvidia/libGL.so.*
 %{_libdir}/nvidia/libGLESv1_CM.so.*
@@ -310,9 +316,9 @@ fi
 %{_libdir}/libcuda.so.*
 %{_libdir}/libnvcuvid.so.*
 %{_libdir}/libnvidia-*.so.*
+%{_libdir}/libnvidia-tls.so.*
 %{_libdir}/nvidia/xorg/libglx.so
 %{_libdir}/nvidia/xorg/libglx.so.*
-%{_libdir}/tls/libnvidia-tls.so.*
 %{_libdir}/vdpau/libvdpau_nvidia.so.*
 %{_libdir}/xorg/modules/drivers/nvidia_drv.so
 %{_datadir}/applications/nvidia-settings.desktop
@@ -332,6 +338,9 @@ fi
 %doc current/{NVIDIA_Changelog,README.txt} current/html
 
 %changelog
+* Thu Feb 09 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 340.108-13mamba
+- install nvidia-tls.so in libdir; install xorg configuration fragment and blacklist nouveau
+
 * Tue Feb 07 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 340.108-12mamba
 - patch dkms.conf to fix build error caused by src dir called nvidia_340