diff --git a/libart_lgpl.spec b/libart_lgpl.spec
index ab9030d..b8d2ef0 100644
--- a/libart_lgpl.spec
+++ b/libart_lgpl.spec
@@ -42,7 +42,7 @@ rm -rf %{buildroot}
 rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 
 # fix multilib issues
-%ifarch x86_64 s390x ia64 ppc64
+%ifarch x86_64 s390x ia64 ppc64 alpha
 %define wordsize 64
 %else
 %define wordsize 32