diff --git a/src/pipeline.cc b/src/pipeline.cc
index 53441f92..1558b425 100644
--- a/src/pipeline.cc
+++ b/src/pipeline.cc
@@ -421,7 +421,10 @@ class PipelineWorker : public AsyncWorker {
     if (HasProfile(image)) {
       // Convert to sRGB using embedded profile
       VipsImage *transformed;
-      if (!vips_icc_transform(image, &transformed, srgbProfile.data(), "embedded", TRUE, nullptr)) {
+      if (
+        !vips_icc_transform(image, &transformed, srgbProfile.data(),
+          "embedded", TRUE, "intent", VIPS_INTENT_PERCEPTUAL, nullptr)
+      ) {
         // Embedded profile can fail, so only update references on success
         vips_object_local(hook, transformed);
         image = transformed;
@@ -430,7 +433,10 @@ class PipelineWorker : public AsyncWorker {
       // Convert to sRGB using default "USWebCoatedSWOP" CMYK profile
       std::string cmykProfile = baton->iccProfilePath + "USWebCoatedSWOP.icc";
       VipsImage *transformed;
-      if (vips_icc_transform(image, &transformed, srgbProfile.data(), "input_profile", cmykProfile.data(), nullptr)) {
+      if (
+        vips_icc_transform(image, &transformed, srgbProfile.data(),
+          "input_profile", cmykProfile.data(), "intent", VIPS_INTENT_PERCEPTUAL, nullptr)
+      ) {
         return Error();
       }
       vips_object_local(hook, transformed);
diff --git a/test/fixtures/expected/colourspace.cmyk-without-profile.jpg b/test/fixtures/expected/colourspace.cmyk-without-profile.jpg
new file mode 100644
index 00000000..8959e692
Binary files /dev/null and b/test/fixtures/expected/colourspace.cmyk-without-profile.jpg differ
diff --git a/test/fixtures/expected/colourspace.cmyk.jpg b/test/fixtures/expected/colourspace.cmyk.jpg
new file mode 100644
index 00000000..d5b92ca3
Binary files /dev/null and b/test/fixtures/expected/colourspace.cmyk.jpg differ
diff --git a/test/unit/colourspace.js b/test/unit/colourspace.js
index 8f878ac0..5b2de725 100644
--- a/test/unit/colourspace.js
+++ b/test/unit/colourspace.js
@@ -61,12 +61,12 @@ describe('Colour space conversion', function() {
       .resize(320, 240)
       .background('white')
       .embed()
-      .toFile(fixtures.path('output.cmyk2srgb.jpg'), function(err, info) {
+      .toBuffer(function(err, data, info) {
         if (err) throw err;
         assert.strictEqual('jpeg', info.format);
         assert.strictEqual(320, info.width);
         assert.strictEqual(240, info.height);
-        done();
+        fixtures.assertSimilar(fixtures.expected('colourspace.cmyk.jpg'), data, done);
       });
   });
 
@@ -75,10 +75,9 @@ describe('Colour space conversion', function() {
       .resize(320)
       .toBuffer(function(err, data, info) {
         if (err) throw err;
-        assert.strictEqual(true, data.length > 0);
         assert.strictEqual('jpeg', info.format);
         assert.strictEqual(320, info.width);
-        done();
+        fixtures.assertSimilar(fixtures.expected('colourspace.cmyk-without-profile.jpg'), data, done);
       });
   });