diff --git a/libpaper1.spec b/libpaper1.spec
index d1ed680..a3fe24d 100644
--- a/libpaper1.spec
+++ b/libpaper1.spec
@@ -4,7 +4,7 @@
 Name:          libpaper1
 Epoch:         2
 Version:       1.1.28
-Release:       4mamba
+Release:       5mamba
 Summary:       An open source viewer for Portable Document Format (PDF) files
 Group:         System/Libraries
 Vendor:        openmamba
@@ -70,6 +70,8 @@ ln -sf libpaper.so.%{libver} %{buildroot}%{_libdir}/libpaper.so.%{libmajver}
 install -d %{buildroot}%{_sysconfdir}
 echo "a4" > %{buildroot}%{_sysconfdir}/papersize
 
+mv %{buildroot}%{_bindir}/paperconf{,1}
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -92,13 +94,16 @@ echo "a4" > %{buildroot}%{_sysconfdir}/papersize
 %files -n paper1-utils -f %{name}.lang
 %defattr(-,root,root)
 %config(noreplace) %{_sysconfdir}/papersize
-%{_bindir}/paperconf
+%{_bindir}/paperconf1
 %{_sbindir}/paperconfig
 %{_mandir}/man1/paperconf.*
 %{_mandir}/man5/papersize.*
 %{_mandir}/man8/paperconfig.*
 
 %changelog
+* Sun Apr 16 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.28-5mamba
+- paper1-utils: rename /usr/bin/paperconf to resolve conflict with paper-utils
+
 * Thu Nov 24 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.28-4mamba
 - legacy package