Fix crash in record conv rule select YAZ-812

[yaz-moved-to-github.git] / src / retrieval.c

diff --git a/src/retrieval.c b/src/retrieval.c
index ee1d1ff..4c2920a 100644 (file)
--- a/src/retrieval.c
+++ b/src/retrieval.c
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2012 Index Data
+ * Copyright (C) Index Data
  * See the file LICENSE for details.
  */
 /**
@@ -337,7 +337,10 @@ int yaz_retrieval_request(yaz_retrieval_t p,
             if (backend_schema)
             {
                 if (el->backend_name)
-                    *backend_schema = el->backend_name;
+                {
+                    if (*el->backend_name)
+                        *backend_schema = el->backend_name;
+                }
                 else if (el->name)
                     *backend_schema = el->name;
                 else