1 files changed, 1 insertions, 1 deletions

diff --git a/src/ideviceinstaller.c b/src/ideviceinstaller.c
index 6187c97..3762877 100644
--- a/src/ideviceinstaller.c
+++ b/src/ideviceinstaller.c
@@ -643,7 +643,7 @@ run_again:
                                         total += written;
                                 }
                                 if (total != amount) {
-                                        fprintf(stderr, "Error: wrote only %d of %d\n", total,
+                                        fprintf(stderr, "Error: wrote only %d of %zu\n", total,
                                                         amount);
                                         afc_file_close(afc, af);
                                         fclose(f);