1 files changed, 2 insertions, 2 deletions

diff --git a/src/ideviceinstaller.c b/src/ideviceinstaller.c
index dfd88b7..12577f7 100644
--- a/src/ideviceinstaller.c
+++ b/src/ideviceinstaller.c
@@ -726,7 +726,7 @@ run_again:
                         }
 
                         /* copy archive to device */
-                        f = fopen(appid, "r");
+                        f = fopen(appid, "rb");
                         if (!f) {
                                 fprintf(stderr, "fopen: %s: %s\n", appid, strerror(errno));
                                 goto leave_cleanup;
@@ -1026,7 +1026,7 @@ run_again:
                         }
                         free(copy_path);
 
-                        f = fopen(localfile, "w");
+                        f = fopen(localfile, "wb");
                         if (!f) {
                                 fprintf(stderr, "ERROR: fopen: %s: %s\n", localfile, strerror(errno));
                                 free(localfile);