diff --git a/src/or/buffers.c b/src/or/buffers.c
index fb0e2f1064..6b30d13f0f 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -17,7 +17,7 @@ struct buf_t {
 /* Size, in bytes, for newly allocated buffers.  Should be a power of 2. */
 #define INITIAL_BUF_SIZE (4*1024)
 /* Maximum size, in bytes, for resized buffers. */
-#define MAX_BUF_SIZE (1024*1024)
+#define MAX_BUF_SIZE (1024*1024*10)
 /* Size, in bytes, for minimum 'shrink' size for buffers.  Buffers may start
  * out smaller than this, but they will never autoshrink to less
  * than this size. */