diff --git a/src/dawn_native/CommandEncoder.cpp b/src/dawn_native/CommandEncoder.cpp
index d2c1543..3aae8c9 100644
--- a/src/dawn_native/CommandEncoder.cpp
+++ b/src/dawn_native/CommandEncoder.cpp
@@ -325,7 +325,8 @@
             const DeviceBase* device,
             const RenderPassDepthStencilAttachmentDescriptor* depthStencilAttachment,
             uint32_t* width,
-            uint32_t* height) {
+            uint32_t* height,
+            uint32_t* sampleCount) {
             DAWN_ASSERT(depthStencilAttachment != nullptr);
 
             DAWN_TRY(device->ValidateObject(depthStencilAttachment->attachment));
@@ -337,6 +338,12 @@
                     "depth stencil format");
             }
 
+            // *sampleCount == 0 must only happen when there is no color attachment. In that case we
+            // do not need to validate the sample count of the depth stencil attachment.
+            if (*sampleCount != 0 && (attachment->GetTexture()->GetSampleCount() != *sampleCount)) {
+                return DAWN_VALIDATION_ERROR("Depth stencil attachment sample counts mismatch");
+            }
+
             DAWN_TRY(ValidateAttachmentArrayLayersAndLevelCount(attachment));
             DAWN_TRY(ValidateOrSetAttachmentSize(attachment, width, height));
 
@@ -359,7 +366,7 @@
 
             if (renderPass->depthStencilAttachment != nullptr) {
                 DAWN_TRY(ValidateRenderPassDepthStencilAttachment(
-                    device, renderPass->depthStencilAttachment, width, height));
+                    device, renderPass->depthStencilAttachment, width, height, &sampleCount));
             }
 
             if (renderPass->colorAttachmentCount == 0 &&
diff --git a/src/tests/unittests/validation/RenderPassDescriptorValidationTests.cpp b/src/tests/unittests/validation/RenderPassDescriptorValidationTests.cpp
index b8130d3..b532a95 100644
--- a/src/tests/unittests/validation/RenderPassDescriptorValidationTests.cpp
+++ b/src/tests/unittests/validation/RenderPassDescriptorValidationTests.cpp
@@ -583,6 +583,50 @@
     }
 }
 
+// Tests on the sample count of depth stencil attachment.
+TEST_F(MultisampledRenderPassDescriptorValidationTest, DepthStencilAttachmentSampleCount) {
+    constexpr dawn::TextureFormat kDepthStencilFormat = dawn::TextureFormat::D32FloatS8Uint;
+    dawn::Texture multisampledDepthStencilTexture = CreateTexture(
+        device, dawn::TextureDimension::e2D, kDepthStencilFormat, kSize, kSize, kArrayLayers,
+        kLevelCount, kSampleCount);
+    dawn::TextureView multisampledDepthStencilTextureView =
+        multisampledDepthStencilTexture.CreateDefaultTextureView();
+
+    // It is not allowed to use a depth stencil attachment whose sample count is different from the
+    // one of the color attachment.
+    {
+        dawn::Texture depthStencilTexture = CreateTexture(
+            device, dawn::TextureDimension::e2D, kDepthStencilFormat, kSize, kSize, kArrayLayers,
+            kLevelCount);
+        dawn::TextureView depthStencilTextureView = depthStencilTexture.CreateDefaultTextureView();
+
+        utils::ComboRenderPassDescriptor renderPass(
+            {CreateMultisampledColorTextureView()}, depthStencilTextureView);
+        AssertBeginRenderPassError(&renderPass);
+    }
+
+    {
+        utils::ComboRenderPassDescriptor renderPass(
+            {CreateNonMultisampledColorTextureView()}, multisampledDepthStencilTextureView);
+        AssertBeginRenderPassError(&renderPass);
+    }
+
+    // It is allowed to use a multisampled depth stencil attachment whose sample count is equal to
+    // the one of the color attachment.
+    {
+        utils::ComboRenderPassDescriptor renderPass(
+            {CreateMultisampledColorTextureView()}, multisampledDepthStencilTextureView);
+        AssertBeginRenderPassSuccess(&renderPass);
+    }
+
+    // It is allowed to use a multisampled depth stencil attachment while there is no color
+    // attachment.
+    {
+        utils::ComboRenderPassDescriptor renderPass({}, multisampledDepthStencilTextureView);
+        AssertBeginRenderPassSuccess(&renderPass);
+    }
+}
+
 // TODO(cwallez@chromium.org): Constraints on attachment aliasing?
 
 } // anonymous namespace