diff --git a/ndn-cpp/c/encoding/binary-xml-interest.c b/ndn-cpp/c/encoding/binary-xml-interest.c
index a540222..b835ebd 100644
--- a/ndn-cpp/c/encoding/binary-xml-interest.c
+++ b/ndn-cpp/c/encoding/binary-xml-interest.c
@@ -26,7 +26,7 @@
     
     if (entry->type == ndn_Exclude_COMPONENT) {
       if ((error = ndn_BinaryXmlEncoder_writeBlobDTagElement
-          (encoder, ndn_BinaryXml_DTag_Component, entry->component, entry->componentLength)))
+          (encoder, ndn_BinaryXml_DTag_Component, entry->component.value, entry->component.valueLength)))
         return error;
     }
     else if (entry->type == ndn_Exclude_ANY) {
diff --git a/ndn-cpp/c/interest.h b/ndn-cpp/c/interest.h
index bdb28b1..c3a1647 100644
--- a/ndn-cpp/c/interest.h
+++ b/ndn-cpp/c/interest.h
@@ -23,8 +23,7 @@
  */
 struct ndn_ExcludeEntry {
   ndn_ExcludeType type;
-  unsigned char *component;     /**< pointer to the pre-allocated buffer for the component value */
-  unsigned int componentLength; /**< the number of bytes in value */
+  struct ndn_NameComponent component;
 };
 
 /**
@@ -37,8 +36,7 @@
 static inline void ndn_ExcludeEntry_init(struct ndn_ExcludeEntry *self, ndn_ExcludeType type, unsigned char *component, unsigned int componentLength) 
 {
   self->type = type;
-  self->component = component;
-  self->componentLength = componentLength;
+  ndn_NameComponent_init(&self->component, component, componentLength);
 }
 
 /**