1 files changed, 1 insertions, 1 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 6656b8d1f4e..bf1b49e6ff4 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -4670,7 +4670,7 @@ mmap_realloc (var, nbytes)
         {
           /* Shrinking by at least a page.  Let's give some
              memory back to the system.  */
-          mmap_enlarge (r, - (room - nbytes) / mmap_page_size);
+          mmap_enlarge (r, - ((room - nbytes) / mmap_page_size));
           result = *var;
           r->nbytes_specified = nbytes;
         }