diff --git a/src/DriverUNV/UNV_Utilities.hxx b/src/DriverUNV/UNV_Utilities.hxx
index e41ff1ba3..3346f7c92 100644
--- a/src/DriverUNV/UNV_Utilities.hxx
+++ b/src/DriverUNV/UNV_Utilities.hxx
@@ -79,6 +79,8 @@ namespace UNV {
       }
       if (news == ds_name)
         return true;
+
+      olds.clear();
     }
     // should never end up here
     return false;