diff --git a/src/c/encoding/binary-xml-decoder.c b/src/c/encoding/binary-xml-decoder.c
index d3b4d22..110ce51 100644
--- a/src/c/encoding/binary-xml-decoder.c
+++ b/src/c/encoding/binary-xml-decoder.c
@@ -293,7 +293,7 @@
 }
 
 ndn_Error ndn_BinaryXmlDecoder_readTimeMillisecondsDTagElement
-  (struct ndn_BinaryXmlDecoder *self, unsigned int expectedTag, double *milliseconds)
+  (struct ndn_BinaryXmlDecoder *self, unsigned int expectedTag, ndn_MillisecondsSince1970 *milliseconds)
 {
   ndn_Error error;
   struct ndn_Blob bytes;
@@ -305,7 +305,7 @@
 }
 
 ndn_Error ndn_BinaryXmlDecoder_readOptionalTimeMillisecondsDTagElement
-  (struct ndn_BinaryXmlDecoder *self, unsigned int expectedTag, double *milliseconds)
+  (struct ndn_BinaryXmlDecoder *self, unsigned int expectedTag, ndn_MillisecondsSince1970 *milliseconds)
 {
   int gotExpectedTag;
   ndn_Error error;