diff --git a/libunicap.spec b/libunicap.spec
index 57d0ada..d08e8ad 100644
--- a/libunicap.spec
+++ b/libunicap.spec
@@ -1,6 +1,6 @@
 Name:          libunicap
 Version:       0.9.12
-Release:       3mamba
+Release:       4mamba
 Summary:       A library that provides a uniform interface to video capture devices
 Group:         System/Libraries
 Vendor:        openmamba
@@ -33,11 +33,13 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description devel
 unicap provides a uniform interface to video capture devices.
 It allows applications to use any supported video capture device via a single API
+This package contains static libraries and header files needed for development.
 
-This package contains static libraries and header files need for development.
+%debug_package
 
 %prep
 %setup -q
+sed -i "s,| arm-\*  |,| aarch64-\* | arm-\*  |," config.sub
 %patch0 -p1
 %patch1 -p1
 %patch2 -p1
@@ -46,7 +48,9 @@ This package contains static libraries and header files need for development.
 %patch5 -p1
 
 %build
-%configure
+%configure \
+   CFLAGS="%{optflags} -fcommon"
+
 %make
 
 %install
@@ -67,7 +71,7 @@ sed -i 's/SYSFS/ATTRS/g' %{buildroot}%{_sysconfdir}/udev/rules.d/50-euvccam.rule
 %defattr(-,root,root)
 %{_sysconfdir}/udev/rules.d/50-euvccam.rules
 %{_libdir}/libunicap.so.*
-%doc AUTHORS COPYING README
+%doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
@@ -80,9 +84,12 @@ sed -i 's/SYSFS/ATTRS/g' %{buildroot}%{_sysconfdir}/udev/rules.d/50-euvccam.rule
 %{_libdir}/unicap2/cpi/*.a
 %{_libdir}/pkgconfig/*.pc
 %{_datadir}/gtk-doc/html/libunicap/*
-%doc ChangeLog
+%doc ChangeLog README
 
 %changelog
+* Wed Dec 09 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.9.12-4mamba
+- rebuilt with debug package and aarch64 build fix
+
 * Fri Dec 09 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 0.9.12-3mamba
 - added build and stability patches from fedora