diff --git a/lua-luarocks.spec b/lua-luarocks.spec
index 2f79dc6..b6bd8e2 100644
--- a/lua-luarocks.spec
+++ b/lua-luarocks.spec
@@ -32,7 +32,13 @@ BuildRequires:  %{flavor}-devel
 BuildRequires:  curl
 BuildRequires:  openssl
 Requires:       %{flavor}
+Requires:       curl
+Requires:       openssl
 BuildArch:      noarch
+%if "%{flavor}" == ""
+ExclusiveArch:  do_not_build
+%endif
+
 
 %description
 LuaRocks allows you to install Lua modules as self-contained packages