diff --git a/engine/src/main/java/org/archive/crawler/restlet/EngineResource.java b/engine/src/main/java/org/archive/crawler/restlet/EngineResource.java
index 3a483880..e7b12e1f 100644
--- a/engine/src/main/java/org/archive/crawler/restlet/EngineResource.java
+++ b/engine/src/main/java/org/archive/crawler/restlet/EngineResource.java
@@ -145,7 +145,7 @@ public class EngineResource extends BaseResource {
         	}
         } else if ("Exit Java Process".equals(action)) { 
             boolean cancel = false; 
-            if(!"on".equals(form.getFirstValue("I'm sure"))) {
+            if(!"on".equals(form.getFirstValue("im_sure"))) {
                 Flash.addFlash(
                         getResponse(),
                         "You must tick \"I'm sure\" to trigger exit",