diff --git a/third_party/dawn/src/dawn/native/CommandValidation.cpp b/third_party/dawn/src/dawn/native/CommandValidation.cpp
index 65b37c8f27..7fa92a301a 100644
--- a/third_party/dawn/src/dawn/native/CommandValidation.cpp
+++ b/third_party/dawn/src/dawn/native/CommandValidation.cpp
@@ -229,10 +229,10 @@ MaybeError ValidateWriteBuffer(const DeviceBase* device,
                                uint64_t size) {
     DAWN_TRY(device->ValidateObject(buffer));
 
-    // DAWN_INVALID_IF(bufferOffset % 4 != 0, "BufferOffset (%u) is not a multiple of 4.",
-    //                 bufferOffset);
-    //
-    // DAWN_INVALID_IF(size % 4 != 0, "Size (%u) is not a multiple of 4.", size);
+    DAWN_INVALID_IF(bufferOffset % 4 != 0, "BufferOffset (%u) is not a multiple of 4.",
+                    bufferOffset);
+
+    DAWN_INVALID_IF(size % 4 != 0, "Size (%u) is not a multiple of 4.", size);
 
     uint64_t bufferSize = buffer->GetSize();
     DAWN_INVALID_IF(bufferOffset > bufferSize || size > (bufferSize - bufferOffset),