diff --git a/bower.json b/bower.json
index 1bdf14f76..8368ac911 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.1021",
+  "version": "1.0.1023",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index e2a0a780d..b409faccb 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 = '1.0.1021';
-PDFJS.build = '9664787';
+PDFJS.version = '1.0.1023';
+PDFJS.build = '72bb48b';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -42448,10 +42448,10 @@ var JpxImage = (function JpxImageClosure() {
         // Skip also marker segment length and packet sequence ID
         skipBytes(4);
       }
+      var packet = packetsIterator.nextPacket();
       if (!readBits(1)) {
         continue;
       }
-      var packet = packetsIterator.nextPacket();
       var layerNumber = packet.layerNumber;
       var queue = [], codeblock;
       for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
diff --git a/build/pdf.js b/build/pdf.js
index d5112d478..e3e0764cb 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 = '1.0.1021';
-PDFJS.build = '9664787';
+PDFJS.version = '1.0.1023';
+PDFJS.build = '72bb48b';
 
 (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 b57396a74..efa887315 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 = '1.0.1021';
-PDFJS.build = '9664787';
+PDFJS.version = '1.0.1023';
+PDFJS.build = '72bb48b';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -36301,10 +36301,10 @@ var JpxImage = (function JpxImageClosure() {
         // Skip also marker segment length and packet sequence ID
         skipBytes(4);
       }
+      var packet = packetsIterator.nextPacket();
       if (!readBits(1)) {
         continue;
       }
-      var packet = packetsIterator.nextPacket();
       var layerNumber = packet.layerNumber;
       var queue = [], codeblock;
       for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
diff --git a/package.json b/package.json
index 5af06ff54..33e9c034f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.1021",
+  "version": "1.0.1023",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",