diff --git a/libaa.spec b/libaa.spec
index 1b72123..c027aa5 100644
--- a/libaa.spec
+++ b/libaa.spec
@@ -2,7 +2,7 @@
 
 Name:          libaa
 Version:       1.4.0
-Release:       3mamba
+Release:       4mamba
 Summary:       A portable ascii art GFX library
 Group:         System/Libraries
 Vendor:        openmamba
@@ -12,9 +12,13 @@ URL:           http://aa-project.sourceforge.net/aalib/
 Source:        http://prdownloads.sourceforge.net/aa-project/aalib-%{pckver}.tar.gz
 Patch0:        %{name}-1.4.0-m4.patch
 License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libX11-devel
 BuildRequires: libgpm-devel
 BuildRequires: libslang-devel
-BuildRequires: libX11-devel
+## AUTOBUILDREQ-END
 BuildRequires: libICE-devel
 Requires(post):%{__install_info}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
@@ -31,14 +35,18 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description devel
 AAlib is an portable ascii art GFX library.
 If you wish to see some examples of AAlib technology, please browse AA-project homepage.
-This package contains static libraries and header files need for development.
+This package contains static libraries and header files needed for development.
+
+%debug_package
 
 %prep
 %setup -q -n aalib-%{version}
 %patch0 -p0
+sed -i "s,| arm-\*  |,| aarch64-\* | arm-\*  |," config.sub
 
 %build
 %configure
+
 %make CC=%{_target_platform}-gcc
 
 %install
@@ -80,6 +88,9 @@ exit 0
 %{_mandir}/man3/save_d.*
 
 %changelog
+* Thu Dec 03 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.0-4mamba
+- rebuilt with debug packagen and aarch64 build fix
+
 * Tue May 10 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.0-3mamba
 - added patch to suppress aclocal warning with m4 file