diff -r 3d80d425543b -r 47b8ea435902 src/allocator.c
--- a/src/allocator.c	Sun Jan 21 10:13:21 2018 +0100
+++ b/src/allocator.c	Sun Jan 21 10:14:47 2018 +0100
@@ -30,7 +30,7 @@
 
 #include <stdlib.h>
 
-UcxAllocator default_allocator = {
+static UcxAllocator default_allocator = {
     NULL,
     ucx_default_malloc,
     ucx_default_calloc,