1 files changed, 1 insertions, 1 deletions

diff --git a/tools/idevicename.c b/tools/idevicename.c
index c013edc..d94657b 100644
--- a/tools/idevicename.c
+++ b/tools/idevicename.c
@@ -28,7 +28,7 @@
 #include <libimobiledevice/libimobiledevice.h>
 #include <libimobiledevice/lockdown.h>
 
-static void print_usage()
+static void print_usage(void)
 {
         printf("Usage: idevicename [OPTIONS] [NAME]\n");
         printf("Display the device name or set it to NAME if specified.\n");