diff --git a/bower.json b/bower.json
index e66b731c8..075691290 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.686",
+  "version": "1.0.688",
   "keywords": [
     "Mozilla",
     "pdf",
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index f1963ae83..aa239db14 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 = '1.0.686';
-PDFJS.build = 'fa8d385';
+PDFJS.version = '1.0.688';
+PDFJS.build = 'e53a28c';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -16700,7 +16700,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
 
             break;
           // Only generate info log messages for the following since
-          // they are unlikey to have a big impact on the rendering.
+          // they are unlikely to have a big impact on the rendering.
           case 'OP':
           case 'op':
           case 'OPM':
@@ -16734,7 +16734,9 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         setGStateForKey(gStateObj, key, value);
       }
       return promise.then(function () {
-        operatorList.addOp(OPS.setGState, [gStateObj]);
+        if (gStateObj.length >= 0) {
+          operatorList.addOp(OPS.setGState, [gStateObj]);
+        }
       });
     },
 
diff --git a/build/pdf.js b/build/pdf.js
index f2fa4ec3f..854b6dc84 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 = '1.0.686';
-PDFJS.build = 'fa8d385';
+PDFJS.version = '1.0.688';
+PDFJS.build = 'e53a28c';
 
 (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 57d2d21cc..6da187028 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 = '1.0.686';
-PDFJS.build = 'fa8d385';
+PDFJS.version = '1.0.688';
+PDFJS.build = 'e53a28c';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -10706,7 +10706,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
 
             break;
           // Only generate info log messages for the following since
-          // they are unlikey to have a big impact on the rendering.
+          // they are unlikely to have a big impact on the rendering.
           case 'OP':
           case 'op':
           case 'OPM':
@@ -10740,7 +10740,9 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         setGStateForKey(gStateObj, key, value);
       }
       return promise.then(function () {
-        operatorList.addOp(OPS.setGState, [gStateObj]);
+        if (gStateObj.length >= 0) {
+          operatorList.addOp(OPS.setGState, [gStateObj]);
+        }
       });
     },
 
diff --git a/package.json b/package.json
index bb433db24..f5797674b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.686",
+  "version": "1.0.688",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",