diff --git a/application/palemoon/components/preferences/advanced.xul b/application/palemoon/components/preferences/advanced.xul
index 402a66bbfc..34998c1b82 100644
--- a/application/palemoon/components/preferences/advanced.xul
+++ b/application/palemoon/components/preferences/advanced.xul
@@ -48,6 +48,8 @@
                   type="bool"/>
 #endif
       <preference id="pref.general.compatmode" name="general.useragent.compatMode"        type="int"/>
+      
+      <preference id="pref.general.captiveportal" name="network.captive-portal-service.enabled" type="bool"/>
 
       <!-- Network tab -->
       <preference id="browser.cache.disk.capacity"     name="browser.cache.disk.capacity"     type="int"/>
@@ -179,6 +181,7 @@
             </hbox>
           </groupbox>
 #endif
+          <!-- User Agent compatibility -->
           <groupbox id="UACompatGroup" orient="vertical">
             <caption label="&UACompatGroup.label;"/>
             <hbox align="center">
@@ -192,6 +195,15 @@
                 </menulist>
             </hbox>
           </groupbox>
+          
+          <!-- Captive portal detection -->
+          <groupbox id="captivePortalGroup" orient="vertical">
+            <caption label="&captivePortalGroup.label;"/>
+            <checkbox id="captivePortalDetect"
+                      label="&captivePortalDetect.label;"
+                      preference="pref.general.captiveportal"/>
+          </groupbox>
+          
         </tabpanel>
 
         <!-- Network -->
diff --git a/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd b/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd
index f8203c6f69..dcb7b0e907 100644
--- a/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd
@@ -39,6 +39,9 @@
 <!ENTITY UACompat.Gecko                  "Gecko Compatibility">
 <!ENTITY UACompat.Firefox                "Firefox Compatibility">
 
+<!ENTITY captivePortalGroup.label        "Captive portals">
+<!ENTITY captivePortalDetect.label       "Detect restricted network access">
+
 <!ENTITY dataChoicesTab.label            "Data Choices">
 
 <!ENTITY crashReporterSection.label      "Crash Reporter">