diff --git a/dcadec.spec b/dcadec.spec
index b31715e..ebe3bec 100644
--- a/dcadec.spec
+++ b/dcadec.spec
@@ -1,20 +1,18 @@
 Name:          dcadec
 Version:       0.2.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A free DTS Coherent Acoustics decoder with support for HD extensions
 Group:         Applications/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/foo86/dcadec
-## GITSOURCE https://github.com/foo86/dcadec.git v0.2.0
 Source:        https://github.com/foo86/dcadec.git/v%{version}/dcadec-%{version}.tar.bz2
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 dcadec is a free DTS Coherent Acoustics decoder with support for HD extensions.
@@ -47,6 +45,8 @@ This package contains libraries and header files for developing applications tha
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall PREFIX=%{_prefix} LIBDIR=%{_libdir} CONFIG_SHARED=1
 
+chmod +x %{buildroot}%{_libdir}/lib*.so*
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -71,5 +71,8 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Fri Apr 09 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.2.0-2mamba
+- fix shared library permissions
+
 * Mon Mar 14 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 0.2.0-1mamba
 - package created using the webbuild interface