1 files changed, 1 insertions, 1 deletions

diff --git a/src/iphone.c b/src/iphone.c
index 86226e7..f733219 100644
--- a/src/iphone.c
+++ b/src/iphone.c
@@ -42,7 +42,7 @@
  *      descriptor on return. 
  * @return IPHONE_E_SUCCESS if ok, otherwise an error code.
  */
-iphone_error_t iphone_get_specific_device(int bus_n, int dev_n, iphone_device_t * device)
+static iphone_error_t iphone_get_specific_device(unsigned int bus_n, int dev_n, iphone_device_t * device)
 {
         struct usb_bus *bus, *busses;
         struct usb_device *dev;