diff --git a/src/main.c b/src/main.c
index ca1a8a5..b599e63 100644
--- a/src/main.c
+++ b/src/main.c
@@ -298,7 +298,7 @@ static void load_data(Tox *m, char *path)
     size_t len;
     uint8_t *buf;
 
-    if ((fd = fopen(path, "r")) != NULL) {
+    if ((fd = fopen(path, "rb")) != NULL) {
         fseek(fd, 0, SEEK_END);
         len = ftell(fd);
         fseek(fd, 0, SEEK_SET);