diff --git a/obexd/src/phonebook.c b/obexd/src/phonebook.c
index 7600be9..2dab918 100644
--- a/obexd/src/phonebook.c
+++ b/obexd/src/phonebook.c
}
void phonebook_return(struct phonebook_context *context,
- unsigned char *buf, int size)
+ char *buf, int size)
{
DBG("context %p", context);
diff --git a/obexd/src/phonebook.h b/obexd/src/phonebook.h
index 4eb7a2c..fbc98f4 100644
--- a/obexd/src/phonebook.h
+++ b/obexd/src/phonebook.h
extern void phonebook_pullphonebook(struct phonebook_context *context);
extern void phonebook_return(struct phonebook_context *context,
- unsigned char *buf, int size);
+ char *buf, int size);
struct phonebook_driver {
const char *name;