diff --git a/tdb.spec b/tdb.spec
index 6cf7d76..b4cad8b 100644
--- a/tdb.spec
+++ b/tdb.spec
@@ -109,6 +109,7 @@ This package contains tools to manage Tdb files.
 Summary:        Python bindings for the Tdb library
 Group:          Development/Libraries/Python
 Requires:       %{libtdb_name} = %{version}
+PreReq:         /sbin/ldconfig
 
 %description -n python-tdb
 This package contains the python bindings for the Tdb library.