diff --git a/src/os/unix/ngx_linux_sendfile_chain.c b/src/os/unix/ngx_linux_sendfile_chain.c
index 8c4d59c22..431542d42 100644
--- a/src/os/unix/ngx_linux_sendfile_chain.c
+++ b/src/os/unix/ngx_linux_sendfile_chain.c
@@ -24,7 +24,7 @@
  * so we limit it to 2G-1 bytes.
  */
 
-#define NGX_SENDFILE_LIMIT  2147483647L
+#define NGX_SENDFILE_MAXSIZE  2147483647L
 
 
 #if (IOV_MAX > 64)
@@ -63,8 +63,8 @@ ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
 
     /* the maximum limit size is 2G-1 - the page size */
 
-    if (limit == 0 || limit > (off_t) (NGX_SENDFILE_LIMIT - ngx_pagesize)) {
-        limit = NGX_SENDFILE_LIMIT - ngx_pagesize;
+    if (limit == 0 || limit > (off_t) (NGX_SENDFILE_MAXSIZE - ngx_pagesize)) {
+        limit = NGX_SENDFILE_MAXSIZE - ngx_pagesize;
     }