1 files changed, 1 insertions, 1 deletions

diff --git a/kmicromail/libetpan/mime/mailmime_write.c b/kmicromail/libetpan/mime/mailmime_write.c
index 5c3b1f7..208e3ba 100644
--- a/kmicromail/libetpan/mime/mailmime_write.c
+++ b/kmicromail/libetpan/mime/mailmime_write.c
@@ -432,25 +432,25 @@ mailmime_disposition_param_write(FILE * f, int * col,
     break;
 
   case MAILMIME_DISPOSITION_PARM_MODIFICATION_DATE:
     len = strlen("modification-date=") +
       strlen(param->pa_data.pa_modification_date);
     break;
 
   case MAILMIME_DISPOSITION_PARM_READ_DATE:
     len = strlen("read-date=") + strlen(param->pa_data.pa_read_date);
     break;
 
   case MAILMIME_DISPOSITION_PARM_SIZE:
-    snprintf(sizestr, 20, "%u", param->pa_data.pa_size);
+    snprintf(sizestr, 20, "%lu", (unsigned long) param->pa_data.pa_size);
     len = strlen("size=") + strlen(sizestr);
     break;
 
   case MAILMIME_DISPOSITION_PARM_PARAMETER:
     len = strlen(param->pa_data.pa_parameter->pa_name) + 1 +
       strlen(param->pa_data.pa_parameter->pa_value);
     break;
 
   default:
     return MAILIMF_ERROR_INVAL;
   }