diff --git a/ndn-cpp/c/util/ndn_realloc.c b/ndn-cpp/c/util/ndn_realloc.c
index 397834b..bbc5e15 100644
--- a/ndn-cpp/c/util/ndn_realloc.c
+++ b/ndn-cpp/c/util/ndn_realloc.c
@@ -6,7 +6,7 @@
 #include <stdlib.h>
 #include "ndn_realloc.h"
 
-unsigned char *ndn_realloc(unsigned char *array, unsigned int length)
+unsigned char *ndn_realloc(struct ndn_DynamicUCharArray *self, unsigned char *array, unsigned int length)
 {
   return (unsigned char *)realloc(array, length);
 }