diff --git a/lua-mpack.spec b/lua-mpack.spec
index 9def106..5aa27b2 100644
--- a/lua-mpack.spec
+++ b/lua-mpack.spec
@@ -18,7 +18,6 @@
 
 %define flavor @BUILD_FLAVOR@
 %define libmpack_version 1.0.5
-Name:           %{flavor}-mpack
 Version:        1.0.6
 Release:        0
 Summary:        Implementation of MessagePack for Lua 5.1
@@ -39,7 +38,10 @@ BuildRequires:  gcc
 BuildRequires:  libtool
 Requires:       %{flavor}
 %if "%{flavor}" == ""
+Name:           lua-mpack
 ExclusiveArch:  do_not_build
+%else
+Name:           %{flavor}-mpack
 %endif
 
 %description