1 files changed, 1 insertions, 1 deletions

diff --git a/src/ideviceinstaller.c b/src/ideviceinstaller.c
index 33737b9..c50bacf 100644
--- a/src/ideviceinstaller.c
+++ b/src/ideviceinstaller.c
@@ -792,7 +792,7 @@ static char *buf_from_file(const char *filename, size_t *size)
         }
         size_t amount = fread(ibuf, 1, filesize, fp);
         if (amount != filesize) {
-                fprintf(stderr, "ERROR: could not read %ld bytes from %s\n", filesize, filename);
+                fprintf(stderr, "ERROR: could not read %" PRIu64 " bytes from %s\n", (uint64_t)filesize, filename);
                 free(ibuf);
                 return NULL;
         }