diff --git a/CHANGELOG.md b/CHANGELOG.md
index eadd1cd2..167170e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,10 +2,16 @@
 
 ### Unreleased
 
+### [v0.17.3] - 2025-09-09
+
+- fixed png images rendering issues for qrcode
+ 
+ 
 ### [v0.17.2] - 2025-08-30
 
 - Fix rendering lists that spans across pages
 
+
 ### [v0.17.1] - 2025-05-02
 
 - Fix null values in table cells rendering as `[object Object]`
diff --git a/lib/image/png.js b/lib/image/png.js
index 504ce8a8..13407369 100644
--- a/lib/image/png.js
+++ b/lib/image/png.js
@@ -97,7 +97,7 @@ class PNGImage {
   }
 
   finalize() {
-    if (this.alphaChannel) {
+    if (this.image.hasAlphaChannel && this.alphaChannel) {
       const sMask = this.document.ref({
         Type: 'XObject',
         Subtype: 'Image',
diff --git a/tests/unit/png.spec.js b/tests/unit/png.spec.js
index 9c6cd521..2dc20ac0 100644
--- a/tests/unit/png.spec.js
+++ b/tests/unit/png.spec.js
@@ -237,7 +237,6 @@ describe('PNGImage', () => {
       Type: 'XObject',
       Width: 32,
       DecodeParms: expect.any(PDFReference),
-      SMask: expect.any(PDFReference),
     });
 
     expect(img.obj.data.DecodeParms.data).toMatchObject({
@@ -246,18 +245,6 @@ describe('PNGImage', () => {
       Columns: 32,
       Predictor: 15,
     });
-
-    expect(img.obj.data.SMask.data).toMatchObject({
-      BitsPerComponent: 8,
-      ColorSpace: 'DeviceGray',
-      Decode: [0, 1],
-      Filter: 'FlateDecode',
-      Height: 32,
-      Length: 16,
-      Subtype: 'Image',
-      Type: 'XObject',
-      Width: 32,
-    });
   });
 
   test('Grayscale', () => {