diff --git a/docs/changelog.md b/docs/changelog.md
index 920eb31a..99347473 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -4,6 +4,11 @@
 
 Requires libvips v8.8.1.
 
+#### v0.23.5 - TBD
+
+* Ensure correct colour output for 16-bit, 2-channel PNG input with ICC profile.
+  [#2013](https://github.com/lovell/sharp/issues/2013)
+
 #### v0.23.4 - 5<sup>th</sup> December 2019
 
 * Handle zero-length Buffer objects when using Node.js v13.2.0+.
diff --git a/src/pipeline.cc b/src/pipeline.cc
index 83ba354d..d542688e 100644
--- a/src/pipeline.cc
+++ b/src/pipeline.cc
@@ -311,7 +311,11 @@ class PipelineWorker : public Nan::AsyncWorker {
       }
 
       // Ensure we're using a device-independent colour space
-      if (sharp::HasProfile(image) && image.interpretation() != VIPS_INTERPRETATION_LABS) {
+      if (
+        sharp::HasProfile(image) &&
+        image.interpretation() != VIPS_INTERPRETATION_LABS &&
+        image.interpretation() != VIPS_INTERPRETATION_GREY16
+      ) {
         // Convert to sRGB using embedded profile
         try {
           image = image.icc_transform("srgb", VImage::option()
diff --git a/test/fixtures/16-bit-grey-alpha.png b/test/fixtures/16-bit-grey-alpha.png
new file mode 100644
index 00000000..fab9f503
Binary files /dev/null and b/test/fixtures/16-bit-grey-alpha.png differ
diff --git a/test/fixtures/expected/16-bit-grey-alpha-identity.png b/test/fixtures/expected/16-bit-grey-alpha-identity.png
new file mode 100644
index 00000000..766074b3
Binary files /dev/null and b/test/fixtures/expected/16-bit-grey-alpha-identity.png differ
diff --git a/test/fixtures/index.js b/test/fixtures/index.js
index 85c6f0a8..affe8c3f 100644
--- a/test/fixtures/index.js
+++ b/test/fixtures/index.js
@@ -79,6 +79,7 @@ module.exports = {
   inputPngWithGreyAlpha: getPath('grey-8bit-alpha.png'),
   inputPngWithOneColor: getPath('2x2_fdcce6.png'),
   inputPngWithTransparency16bit: getPath('tbgn2c16.png'), // http://www.schaik.com/pngsuite/tbgn2c16.png
+  inputPng16BitGreyAlpha: getPath('16-bit-grey-alpha.png'), // CC-BY-NC-SA florc http://www.colourlovers.com/pattern/50713/pat
   inputPngOverlayLayer0: getPath('alpha-layer-0-background.png'),
   inputPngOverlayLayer1: getPath('alpha-layer-1-fill.png'),
   inputPngAlphaPremultiplicationSmall: getPath('alpha-premultiply-1024x768-paper.png'),
diff --git a/test/unit/png.js b/test/unit/png.js
index d3c642b6..4661d414 100644
--- a/test/unit/png.js
+++ b/test/unit/png.js
@@ -103,6 +103,15 @@ describe('PNG', function () {
       });
   });
 
+  it('16-bit grey+alpha PNG identity transform', function () {
+    const actual = fixtures.path('output.16-bit-grey-alpha-identity.png');
+    return sharp(fixtures.inputPng16BitGreyAlpha)
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, fixtures.expected('16-bit-grey-alpha-identity.png'));
+      });
+  });
+
   it('Valid PNG libimagequant palette value does not throw error', function () {
     assert.doesNotThrow(function () {
       sharp().png({ palette: false });