diff --git a/build.spec b/build.spec
index f8555e8..94a2843 100644
--- a/build.spec
+++ b/build.spec
@@ -124,8 +124,10 @@ chroot or a secure virtualized
 make CFLAGS="$RPM_BUILD_FLAGS" initvm-all
 #XXX temporary hack until lua is actually in
 %if 0%{?suse_version} == 1330
- V=%suse_version
- sed -i -e 's/liblua5_3/liblua5_3-5/g' configs/sl${V:0:2}.${V:2:1}.conf
+if rpm -q liblua5_3-5; then
+  V=%suse_version
+  sed -i -e 's/liblua5_3/liblua5_3-5/g' configs/sl${V:0:2}.${V:2:1}.conf
+fi
 %endif
 %endif