diff --git a/lib/hash.c b/lib/hash.c
index 19e593fef..945bb80f7 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -29,6 +29,7 @@
 #endif
 
 #include "hash.h"
+#include "xalloc.h"
 
 #include <limits.h>
 #include <stdio.h>