diff --git a/src/main/webapp/index.html b/src/main/webapp/index.html
index 2613635..c472137 100644
--- a/src/main/webapp/index.html
+++ b/src/main/webapp/index.html
@@ -309,8 +309,11 @@
                 <input id="events_todate" type="text" size="12">
             </div>
             <div class="event_control">
-                <p>INCLUDE OPEN END EVENTS</p>
-                <input id="events_openend" checked="true" type="checkbox">
+                <p>OPEN END EVENTS</p>
+                <select name="events_openend" id="events_openend">
+                    <option value="include">INCLUDE</option>
+                    <option value="exclude">EXCLUDE</option>
+                </select>
             </div>
             <div class="event_control">
                 <p>DATA PROVIDER</p>
diff --git a/src/main/webapp/view-events.js b/src/main/webapp/view-events.js
index 490b58f..3bbacd0 100644
--- a/src/main/webapp/view-events.js
+++ b/src/main/webapp/view-events.js
@@ -254,7 +254,7 @@
         let where_params = [];
         if (state.category)
             where_params.push(`evcategory.eq.${state.category}`);
-        if (!_openEnd.checked)
+        if (_openEnd.value == 'exclude')
             where_params.push(`evend.neq.null`);
         if (where_params.length == 0) {
             api_url += "?limit=-1"