diff --git a/tqtinterface.spec b/tqtinterface.spec
index 52c91ff..62466e7 100644
--- a/tqtinterface.spec
+++ b/tqtinterface.spec
@@ -47,7 +47,8 @@ cd ../tqt.build/
 export LD_LIBRARY_PATH=%{trinity_dir}/lib:$LD_LIBRARY_PATH
 make install 
 
-buildroot=%buildroot sed -i "s#$buildroot##g" %buildroot%trinity_dir/lib64/*.la
+export buildroot=%buildroot 
+sed -i "s#$buildroot##g" %buildroot%trinity_dir/lib64/*.la
 %check