diff --git a/mobile/android/components/PromptService.js b/mobile/android/components/PromptService.js
index 8409e848a16e..2a164908be72 100644
--- a/mobile/android/components/PromptService.js
+++ b/mobile/android/components/PromptService.js
@@ -56,8 +56,8 @@ PromptService.prototype = {
           this.inputWidgetHelper = this.loadSubscript(
               "InputWidgetHelper", "chrome://browser/content/InputWidgetHelper.js");
         }
-        win.addEventListener("click", this.selectHelper); // non-capture
-        win.addEventListener("click", this.inputWidgetHelper); // non-capture
+        win.addEventListener("click", this.selectHelper, /* capture */ true);
+        win.addEventListener("click", this.inputWidgetHelper, /* capture */ true);
         break;
       }
     }