diff --git a/koha-tmpl/intranet-tmpl/default/en/acqui.simple/addbooks.tmpl b/koha-tmpl/intranet-tmpl/default/en/acqui.simple/addbooks.tmpl
index d93408ce7f..51cd7a789e 100644
--- a/koha-tmpl/intranet-tmpl/default/en/acqui.simple/addbooks.tmpl
+++ b/koha-tmpl/intranet-tmpl/default/en/acqui.simple/addbooks.tmpl
@@ -22,11 +22,11 @@
 			</p>
 			<p>
 				<label class="label100" for="title">ISBN</label>
-				<input type="hidden" name="marclist" value="biblioitems.issn">
+				<input type="hidden" name="marclist" value="biblioitems.isbn">
 	
 				<input type="hidden" name="and_or" value="and">
 				<input type="hidden" name="excluding" value="">
-				<input type="hidden" name="operator" value="contains">
+				<input type="hidden" name="operator" value="start">
 				<input type="text" name="value" id="title"size="35">
 			</p>
 			<p><input type="submit" value="Go" class="button catalogue" /></p>