diff --git a/nvidia.spec b/nvidia.spec
index be680cf..228aed4 100644
--- a/nvidia.spec
+++ b/nvidia.spec
@@ -3,7 +3,7 @@
 Name:          nvidia
 Version:       520.56.06
 Epoch:         1
-Release:       2mamba
+Release:       3mamba
 Summary:       NVIDIA proprietary accelerated drivers for the Linux Kernel
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -241,6 +241,11 @@ install -D -m 644 nvidia-settings.png \
 #_EOF
 #chmod +x %{buildroot}%{_sysconfdir}/profile.d/nvidia-clutter.sh
 
+install -d -m0755 %{buildroot}%{_modprobedir}
+cat > %{buildroot}%{_modprobedir}/nvidia.conf << _EOF
+blacklist nouveau
+_EOF
+
 # dkms
 install -d -m0755 %{buildroot}%{_prefix}/src/%{name}-%{version}
 cp -a kernel/* %{buildroot}%{_prefix}/src/%{name}-%{version}/
@@ -312,6 +317,13 @@ if [ $1 -eq 0 ]; then
 fi
 :
 
+%posttrans
+KVER=`uname -r`
+INITRAMFS=/boot/initramfs-${KVER}.img
+[ -e ${INITRAMFS} -a %{_modprobedir}/nvidia.conf -nt ${INITRAMFS} ] || continue
+[ -e /usr/sbin/mkinitrd ] && /usr/sbin/mkinitrd ${INITRAMFS} ${KVER} -f -H -q
+:
+
 %files -n xorg-drv-video-%{name}
 %defattr(-,root,root)
 #%{_sysconfdir}/profile.d/nvidia-clutter.sh
@@ -320,6 +332,7 @@ fi
 %{_prefix}/src/%{name}-%{version}/*
 /lib/firmware/nvidia/%{version}/gsp.bin
 %{_bindir}/nvidia-*
+%{_modprobedir}/nvidia.conf
 %{_systemd_util_dir}/system-sleep/nvidia
 %{_unitdir}/nvidia-hibernate.service
 %{_unitdir}/nvidia-persistenced.service
@@ -356,6 +369,9 @@ fi
 %doc current/{NVIDIA_Changelog,README.txt} current/html
 
 %changelog
+* Tue Nov 01 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 520.56.06-3mamba
+- add modprobe.d file to blacklist nouveau and regenerate initramfs
+
 * Sat Oct 29 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 520.56.06-2mamba
 - preun: fix removal of previous dkms builds and installations of module