diff --git a/env/env_encryption.cc b/env/env_encryption.cc
index 22e2e5190..accc07c9a 100644
--- a/env/env_encryption.cc
+++ b/env/env_encryption.cc
@@ -255,12 +255,18 @@ IOStatus EncryptedWritableFile::PositionedAppend(const Slice& data,
   return file_->PositionedAppend(dataToAppend, offset, options, dbg);
 }
 
-  // Indicates the upper layers if the current WritableFile implementation
-  // uses direct IO.
+// Indicates the upper layers if the current WritableFile implementation
+// uses direct IO.
 bool EncryptedWritableFile::use_direct_io() const {
   return file_->use_direct_io();
 }
 
+// true if Sync() and Fsync() are safe to call concurrently with Append()
+// and Flush().
+bool EncryptedWritableFile::IsSyncThreadSafe() const {
+  return file_->IsSyncThreadSafe();
+}
+
   // Use the returned alignment value to allocate
   // aligned buffer for Direct I/O
 size_t EncryptedWritableFile::GetRequiredBufferAlignment() const {
diff --git a/include/rocksdb/env_encryption.h b/include/rocksdb/env_encryption.h
index e243e3eb7..239e6bb87 100644
--- a/include/rocksdb/env_encryption.h
+++ b/include/rocksdb/env_encryption.h
@@ -318,6 +318,10 @@ class EncryptedWritableFile : public FSWritableFile {
                             const IOOptions& options,
                             IODebugContext* dbg) override;
 
+  // true if Sync() and Fsync() are safe to call concurrently with Append()
+  // and Flush().
+  bool IsSyncThreadSafe() const override;
+
   // Indicates the upper layers if the current WritableFile implementation
   // uses direct IO.
   bool use_direct_io() const override;