diff --git a/ndn-cpp/c/util/blob.h b/ndn-cpp/c/util/blob.h
index 1029185..06dbce1 100644
--- a/ndn-cpp/c/util/blob.h
+++ b/ndn-cpp/c/util/blob.h
@@ -15,20 +15,20 @@
  * An ndn_Blob holds a pointer to a read-only pre-allocated buffer and its length.
  */
 struct ndn_Blob {
-  uint8_t *value;     /**< pointer to the pre-allocated buffer for the value. Must be treated as read only. */
-  size_t valueLength; /**< the number of bytes in value. */
+  uint8_t *value; /**< pointer to the pre-allocated buffer for the value. Must be treated as read only. */
+  size_t length;  /**< the number of bytes in value. */
 };
 
 /**
  * Initialize the ndn_Blob struct with the given value.
  * @param self pointer to the ndn_Blob struct.
  * @param value The pre-allocated buffer for the value, or 0 for none.
- * @param valueLength The number of bytes in value.
+ * @param length The number of bytes in value.
  */
-static inline void ndn_Blob_initialize(struct ndn_Blob *self, uint8_t *value, size_t valueLength) 
+static inline void ndn_Blob_initialize(struct ndn_Blob *self, uint8_t *value, size_t length) 
 {
   self->value = value;
-  self->valueLength = valueLength;
+  self->length = length;
 }
 
 #ifdef	__cplusplus