diff --git a/webapi/index.py b/webapi/index.py
index 5be0b45..1c7d61e 100644
--- a/webapi/index.py
+++ b/webapi/index.py
@@ -786,7 +786,10 @@ def setExecutionInputs(weid):
                     form += '<td>'
                     form += '<select name="obo_id_' + obo.get('Name', '') + '" onchange="this.form.submit()">'
                     form += '<option value="">-</option>'
-                    for option in restApiControl.getEDMEntityIDs(obo.get('DBName', ''), obo.get('EDMEntity', ''), obo.get('OptionsFilter', None)):
+                    options = restApiControl.getEDMEntityIDs(obo.get('DBName', ''), obo.get('EDMEntity', ''), obo.get('OptionsFilter', None))
+                    if len(options) > 100:
+                        options = options[0:100]
+                    for option in options:
                         form += '<option value="' + option + '" ' + ('selected' if obo_id == option else '') + '>' + option + '</option>'
                     form += '</select>'
                     form += '</td>'