diff --git a/librtlsdr.spec b/librtlsdr.spec
index a83b84c..90d0253 100644
--- a/librtlsdr.spec
+++ b/librtlsdr.spec
@@ -1,13 +1,12 @@
 Name:          librtlsdr
 Version:       0.8.0
-Release:       1mamba
+Release:       2mamba
 Summary:       Software to turn the RTL2832U into an SDR
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://osmocom.org/projects/rtl-sdr/wiki/Rtl-sdr
-## GITSOURCE https://github.com/librtlsdr/librtlsdr.git v0.7.0
 Source:        https://github.com/librtlsdr/librtlsdr.git/v%{version}/librtlsdr-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -43,13 +42,18 @@ This package contains utility applications for %{name}.
 sed -i "s|VERSION_INFO_PATCH_VERSION git|VERSION_INFO_PATCH_VERSION 0|" CMakeLists.txt
 
 %build
-%cmake -d build
+%cmake -d build \
+   -DDETACH_KERNEL_DRIVER=ON
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
 
+install -D -m0644 rtl-sdr.rules %{buildroot}%{_udevrulesdir}/10-rtl-sdr.rules
+install -D -m0644 rtlsdr-blacklist.conf %{buildroot}%{_modprobedir}/rtlsdr-blacklist.conf
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -59,6 +63,7 @@ sed -i "s|VERSION_INFO_PATCH_VERSION git|VERSION_INFO_PATCH_VERSION 0|" CMakeLis
 %files
 %defattr(-,root,root)
 %{_libdir}/librtlsdr.so.*
+%{_udevrulesdir}/10-rtl-sdr.rules
 %doc AUTHORS COPYING
 
 %files devel
@@ -73,9 +78,13 @@ sed -i "s|VERSION_INFO_PATCH_VERSION git|VERSION_INFO_PATCH_VERSION 0|" CMakeLis
 
 %files tools
 %defattr(-,root,root)
+%{_modprobedir}/rtlsdr-blacklist.conf
 %{_bindir}/rtl_*
 
 %changelog
+* Fri May 06 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.8.0-2mamba
+- install udev rules  and modprobe dvb blacklist file
+
 * Mon Dec 27 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.8.0-1mamba
 - update to 0.8.0