1 files changed, 1 insertions, 1 deletions
diff --git a/ares_private.h b/ares_private.h
index 123c96a..7a755e0 100644
--- a/ares_private.h
+++ b/ares_private.h
@@ -57,7 +57,7 @@
 struct send_request {
   /* Remaining data to send */
   const unsigned char *data;
-  int len;
+  size_t len;
 
   /* Next request in queue */
   struct send_request *next;