2 files changed, 2 insertions, 2 deletions
diff --git a/object.go b/object.go
index c6cd8a8..98a84a4 100644
--- a/object.go
+++ b/object.go
@@ -10,7 +10,7 @@ import "runtime"
 
 type ObjectType int
 
-var (
+const (
 	OBJ_ANY ObjectType = C.GIT_OBJ_ANY
 	OBJ_BAD ObjectType = C.GIT_OBJ_BAD
 	OBJ_COMMIT ObjectType = C.GIT_OBJ_COMMIT
diff --git a/odb.go b/odb.go
index 9d7d02e..7b2297e 100644
--- a/odb.go
+++ b/odb.go
@@ -23,7 +23,7 @@ func (v *Odb) Exists(oid *Oid) bool {
 	return ret != 0
 }
 
-func (v *Odb) Write(data []byte, otype int) (oid *Oid, err error) {
+func (v *Odb) Write(data []byte, otype ObjectType) (oid *Oid, err error) {
 	oid = new(Oid)
 	hdr := (*reflect.SliceHeader)(unsafe.Pointer(&data))
 	ret := C.git_odb_write(oid.toC(), v.ptr, unsafe.Pointer(hdr.Data), C.size_t(hdr.Len), C.git_otype(otype))