diff --git a/xls2ddl/tmpls.py b/xls2ddl/tmpls.py
index 099792d..c0601d4 100644
--- a/xls2ddl/tmpls.py
+++ b/xls2ddl/tmpls.py
@@ -1,7 +1,7 @@
 data_browser_tmpl = """
 {
 	"widgettype":"VBox",
-	"options":{"cheight":40,"width":"100%"},
+	"options":{"height":"100%","width":"100%"},
 	"subwidgets":[
 {% if data_filter and data_filter.fields %}
 {