diff --git a/libnet.spec b/libnet.spec
index d9fccb2..30d2486 100644
--- a/libnet.spec
+++ b/libnet.spec
@@ -1,6 +1,6 @@
 Name:          libnet
 Version:       1.1.6
-Release:       1mamba
+Release:       2mamba
 Summary:       High-level API to construct and inject network packets
 Group:         System/Libraries
 Vendor:        openmamba
@@ -13,7 +13,6 @@ License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-build
 
 %description
 Libnet is a high-level API (toolkit) allowing the application programmer to construct and inject network packets.
@@ -35,12 +34,14 @@ Libnet features portable packet creation interfaces at the IP layer and link lay
 Using libnet, quick and simple packet assembly applications can be whipped up with little effort. With a bit more time, more complex programs can be written.
 This package contains the static library and headers for development.
 
+%debug_package
+
 %prep
 %setup -q
 #%patch0 -p1
 
 %build
-%configure --libdir=/%{_lib} \
+%configure \
 %if "%{_host}" != "%{_build}"
 ac_libnet_have_pf_packet=yes \
 ac_cv_lbl_unaligned_fail=no \
@@ -50,22 +51,25 @@ ac_cv_libnet_endianess=lil
 %make
 
 %install
-test x"$RPM_BUILD_ROOT" != x/ && rm -rf "$RPM_BUILD_ROOT"
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
 %makeinstall
-install -d -m755 $RPM_BUILD_ROOT%{_mandir}/man3/
+
+install -d -m755 %{buildroot}%{_mandir}/man3/
 install -m644 doc/man/man3/libnet-functions.h.3 \
-   $RPM_BUILD_ROOT%{_mandir}/man3/libnet.3
+   %{buildroot}%{_mandir}/man3/libnet.3
 install -D -m755 libnet-config  %{buildroot}%{_bindir}/libnet-config
 
 %clean
-test x"$RPM_BUILD_ROOT" != x/ && rm -rf "$RPM_BUILD_ROOT"
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %post -p /sbin/ldconfig
 %postun -p /sbin/ldconfig
 
 %files
 %defattr(-,root,root)
-/%{_lib}/libnet.so.*
+%{_libdir}/libnet.so.*
+%doc doc/COPYING
 
 %files devel
 %defattr(-,root,root)
@@ -77,16 +81,19 @@ test x"$RPM_BUILD_ROOT" != x/ && rm -rf "$RPM_BUILD_ROOT"
 %{_includedir}/libnet/libnet-macros.h
 %{_includedir}/libnet/libnet-structures.h
 %{_includedir}/libnet/libnet-types.h
-/%{_lib}/libnet.so
-/%{_lib}/libnet.la
-/%{_lib}/libnet.a
-%{_mandir}/man3/libnet.3.gz
-%{_mandir}/man3/libnet*.h.3.gz
+%{_libdir}/libnet.so
+%{_libdir}/libnet.la
+%{_libdir}/libnet.a
+%{_mandir}/man3/libnet.3*
+%{_mandir}/man3/libnet*.h.3*
 %doc doc/CHANGELOG doc/CONTRIB doc/COPYING doc/DESIGN_NOTES doc/MIGRATION
 %doc doc/PACKET_BUILDING doc/PORTED doc/RAWSOCKET_NON_SEQUITUR doc/TODO
 %doc doc/html/*.html doc/html/doxygen.png
 
 %changelog
+* Sat May 01 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.6-2mamba
+- rebuilt in /usr
+
 * Sat Dec 01 2012 Automatic Build System <autodist@mambasoft.it> 1.1.6-1mamba
 - update to 1.1.6