diff --git a/object/convert.go b/object/convert.go
index 5c9e20a..9814b58 100644
--- a/object/convert.go
+++ b/object/convert.go
@@ -2352,8 +2352,8 @@ func (r *PatchRequestBodyPatch) ToGRPCMessage() grpc.Message {
 	if r != nil {
 		m = new(object.PatchRequest_Body_Patch)
 
-		m.SetSourceRange(r.Range.ToGRPCMessage().(*object.Range))
-		m.SetChunk(r.Chunk)
+		m.SetSourceRange(r.GetRange().ToGRPCMessage().(*object.Range))
+		m.SetChunk(r.GetChunk())
 	}
 
 	return m
diff --git a/object/marshal.go b/object/marshal.go
index f337502..166b523 100644
--- a/object/marshal.go
+++ b/object/marshal.go
@@ -1335,8 +1335,8 @@ func (r *PatchRequestBodyPatch) StableMarshal(buf []byte) []byte {
 	}
 
 	var offset int
-	offset += proto.NestedStructureMarshal(patchRequestBodyPatchRangeField, buf[offset:], r.Range)
-	proto.BytesMarshal(patchRequestBodyPatchChunkField, buf[offset:], r.Chunk)
+	offset += proto.NestedStructureMarshal(patchRequestBodyPatchRangeField, buf[offset:], r.GetRange())
+	proto.BytesMarshal(patchRequestBodyPatchChunkField, buf[offset:], r.GetChunk())
 
 	return buf
 }
@@ -1347,8 +1347,8 @@ func (r *PatchRequestBodyPatch) StableSize() int {
 	}
 
 	var size int
-	size += proto.NestedStructureSize(patchRequestBodyPatchRangeField, r.Range)
-	size += proto.BytesSize(patchRequestBodyPatchChunkField, r.Chunk)
+	size += proto.NestedStructureSize(patchRequestBodyPatchRangeField, r.GetRange())
+	size += proto.BytesSize(patchRequestBodyPatchChunkField, r.GetChunk())
 
 	return size
 }
diff --git a/object/types.go b/object/types.go
index c1a8b87..160e820 100644
--- a/object/types.go
+++ b/object/types.go
@@ -1615,6 +1615,22 @@ func (r *PatchResponse) SetBody(v *PatchResponseBody) {
 	r.Body = v
 }
 
+func (r *PatchRequestBodyPatch) GetChunk() []byte {
+	if r != nil {
+		return r.Chunk
+	}
+
+	return nil
+}
+
+func (r *PatchRequestBodyPatch) GetRange() *Range {
+	if r != nil {
+		return r.Range
+	}
+
+	return nil
+}
+
 func (s *ECInfo) getObjectPart() {}
 
 func (s *ECInfo) getHeaderPart() {}