diff --git a/guacamole/src/main/webapp/app/manage/templates/connectionParameter.html b/guacamole/src/main/webapp/app/manage/templates/connectionParameter.html
index b073049c1..9d0258663 100644
--- a/guacamole/src/main/webapp/app/manage/templates/connectionParameter.html
+++ b/guacamole/src/main/webapp/app/manage/templates/connectionParameter.html
@@ -26,5 +26,6 @@
     <input ng-show="parameter.type === 'USERNAME'" type="text" ng-model="typedValue"/>
     <input ng-show="parameter.type === 'PASSWORD'" type="password" ng-model="typedValue"/>
     <input ng-show="parameter.type === 'BOOLEAN'" type="checkbox" ng-model="typedValue"/>
+    <textarea ng-show="parameter.type === 'MULTILINE'" ng-model="typedValue"></textarea>
     <select ng-show="parameter.type === 'ENUM'" ng-model="typedValue" ng-options="option.value as getProtocolParameterOption(protocol.name, parameter.name, option.value) | translate for option in parameter.options | orderBy: value"></select>
 </span>
\ No newline at end of file