diff --git a/src/ccnx-closure.cpp b/src/ccnx-closure.cpp
index 5b24f66..5b30244 100644
--- a/src/ccnx-closure.cpp
+++ b/src/ccnx-closure.cpp
@@ -23,7 +23,7 @@
 }
 
 Closure::TimeoutCallbackReturnValue
-Closure::runTimeoutCallback(const string &interest)
+Closure::runTimeoutCallback(const Name &interest)
 {
   if ((*m_timeoutCallback).empty())
   {
@@ -35,7 +35,7 @@
 
 
 void
-Closure::runDataCallback(const string &name, const Bytes &content)
+Closure::runDataCallback(const Name &name, const Bytes &content)
 {
   if (m_dataCallback != NULL) {
     (*m_dataCallback)(name, content);