diff --git a/apps/misc.c b/apps/misc.c
index f95abb862f..5b008f525c 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -885,8 +885,8 @@ int get_replaygain_mode(bool have_track_gain, bool have_album_gain)
 */
 void check_bootfile(bool do_rolo)
 {
-    static int wrtdate = 0;
-    static int wrttime = 0;
+    static unsigned short wrtdate = 0;
+    static unsigned short wrttime = 0;
     DIR* dir = NULL;
     struct dirent* entry = NULL;