diff --git a/bower.json b/bower.json
index adf7dd002..2e8fdaa48 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.459",
+  "version": "1.0.461",
   "keywords": [
     "Mozilla",
     "pdf",
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 8a4303ff7..0b754bfd3 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.459';
-PDFJS.build = '9c6316f';
+PDFJS.version = '1.0.461';
+PDFJS.build = '4be90c3';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -5735,24 +5735,24 @@ ShadingIRs.Mesh = {
     return {
       type: 'Pattern',
       getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
-        var combinedScale;
-        // Obtain scale from matrix and current transformation matrix.
+        var scale;
         if (shadingFill) {
-          combinedScale = Util.singularValueDecompose2dScale(
-            ctx.mozCurrentTransform);
+          scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
         } else {
-          var matrixScale = Util.singularValueDecompose2dScale(matrix);
-          var curMatrixScale = Util.singularValueDecompose2dScale(
-            owner.baseTransform);
-          combinedScale = [matrixScale[0] * curMatrixScale[0],
-            matrixScale[1] * curMatrixScale[1]];
+          // Obtain scale from matrix and current transformation matrix.
+          scale = Util.singularValueDecompose2dScale(owner.baseTransform);
+          if (matrix) {
+            var matrixScale = Util.singularValueDecompose2dScale(matrix);
+            scale = [scale[0] * matrixScale[0],
+                     scale[1] * matrixScale[1]];
+          }
         }
 
 
         // Rasterizing on the main thread since sending/queue large canvases
         // might cause OOM.
-        var temporaryPatternCanvas = createMeshCanvas(bounds, combinedScale,
-          coords, colors, figures, shadingFill ? null : background);
+        var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords,
+          colors, figures, shadingFill ? null : background);
 
         if (!shadingFill) {
           ctx.setTransform.apply(ctx, owner.baseTransform);
diff --git a/build/pdf.js b/build/pdf.js
index c7765a07c..605377db2 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.459';
-PDFJS.build = '9c6316f';
+PDFJS.version = '1.0.461';
+PDFJS.build = '4be90c3';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -5779,24 +5779,24 @@ ShadingIRs.Mesh = {
     return {
       type: 'Pattern',
       getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
-        var combinedScale;
-        // Obtain scale from matrix and current transformation matrix.
+        var scale;
         if (shadingFill) {
-          combinedScale = Util.singularValueDecompose2dScale(
-            ctx.mozCurrentTransform);
+          scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
         } else {
-          var matrixScale = Util.singularValueDecompose2dScale(matrix);
-          var curMatrixScale = Util.singularValueDecompose2dScale(
-            owner.baseTransform);
-          combinedScale = [matrixScale[0] * curMatrixScale[0],
-            matrixScale[1] * curMatrixScale[1]];
+          // Obtain scale from matrix and current transformation matrix.
+          scale = Util.singularValueDecompose2dScale(owner.baseTransform);
+          if (matrix) {
+            var matrixScale = Util.singularValueDecompose2dScale(matrix);
+            scale = [scale[0] * matrixScale[0],
+                     scale[1] * matrixScale[1]];
+          }
         }
 
 
         // Rasterizing on the main thread since sending/queue large canvases
         // might cause OOM.
-        var temporaryPatternCanvas = createMeshCanvas(bounds, combinedScale,
-          coords, colors, figures, shadingFill ? null : background);
+        var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords,
+          colors, figures, shadingFill ? null : background);
 
         if (!shadingFill) {
           ctx.setTransform.apply(ctx, owner.baseTransform);
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index 765fe38f6..75592fe38 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.459';
-PDFJS.build = '9c6316f';
+PDFJS.version = '1.0.461';
+PDFJS.build = '4be90c3';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/package.json b/package.json
index 5cc8a8fe7..86f4432ec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.459",
+  "version": "1.0.461",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",