diff --git a/src/vlib/buffer.c b/src/vlib/buffer.c
index 82fe641..b5200ba 100644
--- a/src/vlib/buffer.c
+++ b/src/vlib/buffer.c
@@ -473,6 +473,10 @@
   uword alloc_size = ext_hdr_size + sizeof (vlib_buffer_t) + data_size;
   alloc_size = round_pow2 (alloc_size, VLIB_BUFFER_ALIGN);
 
+  /* in case when we have even number of 'cachelines', we add one more for
+   * better cache occupancy */
+  alloc_size |= VLIB_BUFFER_ALIGN;
+
   return alloc_size;
 }