--- a/browser/components/sessionstore/SessionHistory.jsm
+++ b/browser/components/sessionstore/SessionHistory.jsm
@@ -140,16 +140,20 @@ var SessionHistoryInternal = {
       entry.referrer = shEntry.referrerURI.spec;
       entry.referrerPolicy = shEntry.referrerPolicy;
     }
 
     if (shEntry.originalURI) {
       entry.originalURI = shEntry.originalURI.spec;
     }
 
+    if (shEntry.loadReplace) {
+      entry.loadReplace = shEntry.loadReplace;
+    }
+
     if (shEntry.srcdocData)
       entry.srcdocData = shEntry.srcdocData;
 
     if (shEntry.isSrcdocEntry)
       entry.isSrcdocEntry = shEntry.isSrcdocEntry;
 
     if (shEntry.baseURI)
       entry.baseURI = shEntry.baseURI.spec;
@@ -311,16 +315,19 @@ var SessionHistoryInternal = {
       shEntry.contentType = entry.contentType;
     if (entry.referrer) {
       shEntry.referrerURI = Utils.makeURI(entry.referrer);
       shEntry.referrerPolicy = entry.referrerPolicy;
     }
     if (entry.originalURI) {
       shEntry.originalURI = Utils.makeURI(entry.originalURI);
     }
+    if (entry.loadReplace) {
+      shEntry.loadReplace = entry.loadReplace;
+    }
     if (entry.isSrcdocEntry)
       shEntry.srcdocData = entry.srcdocData;
     if (entry.baseURI)
       shEntry.baseURI = Utils.makeURI(entry.baseURI);
 
     if (entry.cacheKey) {
       var cacheKey = Cc["@mozilla.org/supports-PRUint32;1"].
                      createInstance(Ci.nsISupportsPRUint32);

--- a/mobile/android/components/SessionStore.js
+++ b/mobile/android/components/SessionStore.js
@@ -751,16 +751,20 @@ SessionStore.prototype = {
     if (aEntry.referrerURI) {
       entry.referrer = aEntry.referrerURI.spec;
     }
 
     if (aEntry.originalURI) {
       entry.originalURI = aEntry.originalURI.spec;
     }
 
+    if (aEntry.loadReplace) {
+      entry.loadReplace = aEntry.loadReplace;
+    }
+
     if (aEntry.contentType) {
       entry.contentType = aEntry.contentType;
     }
 
     if (aEntry.scrollRestorationIsManual) {
       entry.scrollRestorationIsManual = true;
     } else {
       let x = {}, y = {};
@@ -839,16 +843,20 @@ SessionStore.prototype = {
     if (aEntry.referrer) {
       shEntry.referrerURI = Services.io.newURI(aEntry.referrer, null, null);
     }
 
     if (aEntry.originalURI) {
       shEntry.originalURI =  Services.io.newURI(aEntry.originalURI, null, null);
     }
 
+    if (aEntry.loadReplace) {
+      shEntry.loadReplace = aEntry.loadReplace;
+    }
+
     if (aEntry.cacheKey) {
       let cacheKey = Cc["@mozilla.org/supports-PRUint32;1"].createInstance(Ci.nsISupportsPRUint32);
       cacheKey.data = aEntry.cacheKey;
       shEntry.cacheKey = cacheKey;
     }
 
     if (aEntry.ID) {
       // get a new unique ID for this frame (since the one from the last