1 files changed, 2 insertions, 1 deletions

diff --git a/kmicromail/libetpan/generic/mboxdriver_tools.c b/kmicromail/libetpan/generic/mboxdriver_tools.c
index 1e27798..252a20b 100644
--- a/kmicromail/libetpan/generic/mboxdriver_tools.c
+++ b/kmicromail/libetpan/generic/mboxdriver_tools.c
@@ -217,7 +217,8 @@ mboxdriver_get_cached_flags(struct mail_cache_db * cache_db,
   
   info = data.data;
 
-  snprintf(keyname, PATH_MAX, "%u-%u-flags", num, info->msg_body_len);
+  snprintf(keyname, PATH_MAX, "%u-%lu-flags", num,
+      (unsigned long) info->msg_body_len);
 
   r = generic_cache_flags_read(cache_db, mmapstr, keyname, &flags);
   if (r != MAIL_NO_ERROR) {