diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index b158369020..032e3a9f41 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -113,9 +113,9 @@ typedef struct s_bdiffparam {
 } bdiffparam_t;
 
 
-#define xdl_malloc(x) malloc(x)
+#define xdl_malloc(x) xmalloc(x)
 #define xdl_free(ptr) free(ptr)
-#define xdl_realloc(ptr,x) realloc(ptr,x)
+#define xdl_realloc(ptr,x) xrealloc(ptr,x)
 
 void *xdl_mmfile_first(mmfile_t *mmf, long *size);
 long xdl_mmfile_size(mmfile_t *mmf);