1 files changed, 1 insertions, 1 deletions
diff --git a/src/or/buffers.c b/src/or/buffers.c
index cf5b0bb0e9..1d80f88ea4 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -469,7 +469,7 @@ buf_free(buf_t *buf)
   buf->magic = 0xDEADBEEF;
   if (buf->len == MIN_LAZY_SHRINK_SIZE) {
     add_buf_mem_to_freelist(buf);
-  } else {
+  } else if (buf->mem) {
     oldmem = RAW_MEM(buf->mem);
     tor_free(oldmem);
   }