diff --git a/bower.json b/bower.json
index 55c2e298b..70011feae 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.2.87",
+  "version": "1.2.89",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index e3b48dd02..7f934f5e3 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.2.87';
-PDFJS.build = '3c6df26';
+PDFJS.version = '1.2.89';
+PDFJS.build = '3c94ba8';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.js b/build/pdf.js
index 00289db32..7c3023139 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.2.87';
-PDFJS.build = '3c6df26';
+PDFJS.version = '1.2.89';
+PDFJS.build = '3c94ba8';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index a3db13d88..994a9f8a9 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.2.87';
-PDFJS.build = '3c6df26';
+PDFJS.version = '1.2.89';
+PDFJS.build = '3c94ba8';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/package.json b/package.json
index 91ff227fa..6dc3b9f70 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.2.87",
+  "version": "1.2.89",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",
diff --git a/web/pdf_viewer.js b/web/pdf_viewer.js
index eeebd41ad..32c146238 100644
--- a/web/pdf_viewer.js
+++ b/web/pdf_viewer.js
@@ -2555,6 +2555,12 @@ var PDFViewer = (function pdfViewer() {
         case 'FitBH':
           y = dest[2];
           scale = 'page-width';
+          // According to the PDF spec, section 12.3.2.2, a `null` value in the
+          // parameter should maintain the position relative to the new page.
+          if (y === null && this._location) {
+            x = this._location.left;
+            y = this._location.top;
+          }
           break;
         case 'FitV':
         case 'FitBV':