diff --git a/Blacklight/Binaries.php b/Blacklight/Binaries.php
index 7b3143e3b..c40c98694 100755
--- a/Blacklight/Binaries.php
+++ b/Blacklight/Binaries.php
@@ -2,6 +2,7 @@
 
 namespace Blacklight;
 
+use App\Models\Collection;
 use App\Models\Group;
 use App\Models\Settings;
 use Illuminate\Support\Carbon;
@@ -787,7 +788,21 @@ class Binaries
                     // Get the current unixtime from PHP.
                     $now = now()->timestamp;
 
-                    $xref = sprintf('xref = CONCAT(xref, "\\n"%s ),', escapeString(substr($this->header['Xref'], 2, 255)));
+                    $collHashXref = Collection::query()->where('collectionhash', $this->header['CollectionKey'])->select(['xref'])->first();
+                    $xrefs = [];
+                    if ($collHashXref !== null) {
+                        $collXrefs = explode(' ', $collHashXref->value('xref'));
+                        foreach ($collXrefs as $collXref) {
+                            if (preg_match('/(^alt\.binaries\.\w+)/', $collXref, $match)) {
+                                $xrefs[] = $match[0];
+                            }
+                        }
+
+                    }
+
+                    preg_match('/(alt\.binaries\.\w+)/', $this->header['Xref'], $match2);
+
+                    $xref = ! empty($xrefs) && ! \in_array($match2[0], $xrefs, false) ? sprintf('xref = CONCAT(xref, "\\n"%s ),', escapeString(substr($this->header['Xref'], 2, 255))) : '';
                     $date = $this->header['Date'] > $now ? $now : $this->header['Date'];
                     $unixtime = is_numeric($this->header['Date']) ? $date : $now;
 
diff --git a/Changelog b/Changelog
index be0a50699..b40cccd22 100755
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,5 @@
 2019-01-07 DariusIII
+	* Chg: Try to prevent insertion of duplicated Xref data
 	* Chg: More File facade usage for files manipulation
 	* Chg: Remove MenuTableSeeder as the model and table do not exist anymore
 	* Chg: Update PreDb class and predb_import_daily_batch script