diff --git a/tqtinterface.spec b/tqtinterface.spec
index 3319edb..cc48da0 100644
--- a/tqtinterface.spec
+++ b/tqtinterface.spec
@@ -47,6 +47,7 @@ cd ../tqt.build/
 pushd qtinterface
 rm -f *.la
 popd
+export LD_LIBRARY_PATH=%{trinity_dir}/lib:$LD_LIBRARY_PATH
 make install 
 
 %check