diff --git a/procps-ng.spec b/procps-ng.spec
index 593736f..8837fd0 100644
--- a/procps-ng.spec
+++ b/procps-ng.spec
@@ -1,6 +1,6 @@
 Name:          procps-ng
 Version:       3.3.17
-Release:       1mamba
+Release:       3mamba
 Summary:       Command line and full screen utilities for browsing procfs
 Group:         System/Tools
 Vendor:        openmamba
@@ -19,7 +19,8 @@ BuildRequires: libsystemd-devel
 Provides:      procps = %{version}-%{release}
 Obsoletes:     procps < 3.2.9
 Provides:      sysvinit-tools
-Obsoletes:     sysvinit-tools
+Obsoletes:     sysvinit-tools < 3.3.17
+Provides:      /bin/pidof
 
 %description
 This project provides command line and full screen utilities for browsing procfs, a "pseudo" file system dynamically generated by the kernel to provide information about the status of entries in its process table (such as whether the process is running, stopped, or a "zombie").
@@ -51,8 +52,7 @@ This package contains libraries and header files for developing applications tha
 %build
 %configure \
    --with-systemd \
-   --disable-modern-top \
-   --sbindir=/sbin
+   --disable-modern-top
 
 %make \
    CC=%{_target_platform}-gcc
@@ -61,15 +61,6 @@ This package contains libraries and header files for developing applications tha
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall
 
-#mv %{buildroot}%{_bindir}/pidof %{buildroot}/bin/pidof
-install -d -m0755 %{buildroot}/%{_lib}
-mv %{buildroot}%{_libdir}/libprocps.so.* %{buildroot}/%{_lib}/
-ln -sfv ../../%{_lib}/$(readlink %{buildroot}%{_libdir}/libprocps.so) %{buildroot}%{_libdir}/libprocps.so
-
-# https://gitlab.com/procps-ng/procps/commit/430b559ba2826f80dffa840622ae0fc744000b13
-install -d -m0755 %{buildroot}/bin
-mv %{buildroot}%{_bindir}/{kill,pidof,ps} %{buildroot}/bin/
-
 %find_lang %{name} --all-name --with-man
 
 %clean
@@ -81,10 +72,10 @@ mv %{buildroot}%{_bindir}/{kill,pidof,ps} %{buildroot}/bin/
 
 %files -f %{name}.lang
 %defattr(-,root,root)
-/bin/kill
-/bin/pidof
-/bin/ps
-/sbin/sysctl
+%{_bindir}/kill
+%{_bindir}/pidof
+%{_bindir}/ps
+%{_sbindir}/sysctl
 %{_bindir}/free
 %{_bindir}/pgrep
 %{_bindir}/pkill
@@ -104,7 +95,7 @@ mv %{buildroot}%{_bindir}/{kill,pidof,ps} %{buildroot}/bin/
 
 %files -n libprocps
 %defattr(-,root,root)
-/%{_lib}/libprocps.so.*
+%{_libdir}/libprocps.so.*
 %doc AUTHORS COPYING*
 
 %files -n libprocps-devel
@@ -120,6 +111,12 @@ mv %{buildroot}%{_bindir}/{kill,pidof,ps} %{buildroot}/bin/
 %doc NEWS
 
 %changelog
+* Sun May 02 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 3.3.17-3mamba
+- provide /bin/pidof
+
+* Sat May 01 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 3.3.17-2mamba
+- rebuilt in /usr
+
 * Thu Feb 25 2021 Automatic Build System <autodist@mambasoft.it> 3.3.17-1mamba
 - automatic version update by autodist