diff --git a/src/util/regex/regex-top-matcher.cpp b/src/util/regex/regex-top-matcher.cpp
index dd2ac03..e2317c7 100644
--- a/src/util/regex/regex-top-matcher.cpp
+++ b/src/util/regex/regex-top-matcher.cpp
@@ -48,14 +48,16 @@
   if ('^' != expr[0]) {
     m_secondaryMatcher = make_shared<RegexPatternListMatcher>(
       "<.*>*" + expr,
-      cref(m_secondaryBackrefManager));
+      m_secondaryBackrefManager);
   }
   else {
     expr = expr.substr(1, expr.size() - 1);
   }
 
-  m_primaryMatcher = make_shared<RegexPatternListMatcher>(func_lib::cref(expr),
-                                                          func_lib::cref(m_primaryBackrefManager));
+  // On OSX 10.9, boost, and C++03 the following doesn't work without ndn::
+  // because the argument-dependent lookup prefers STL to boost
+  m_primaryMatcher = ndn::make_shared<RegexPatternListMatcher>(expr,
+                                                               m_primaryBackrefManager);
 }
 
 bool
@@ -199,8 +201,9 @@
   if (hasAnchor)
     regexStr.append("$");
 
-  // OSX 10.9 has problems with just cref
-  return make_shared<RegexTopMatcher>(func_lib::cref(regexStr));
+  // On OSX 10.9, boost, and C++03 the following doesn't work without ndn::
+  // because the argument-dependent lookup prefers STL to boost
+  return ndn::make_shared<RegexTopMatcher>(regexStr);
 }
 
 std::string
diff --git a/src/util/scheduler.cpp b/src/util/scheduler.cpp
index 4e74d10..21106e0 100644
--- a/src/util/scheduler.cpp
+++ b/src/util/scheduler.cpp
@@ -102,7 +102,10 @@
                                  const Event& event)
 {
   EventQueue::iterator i = m_events.insert(EventInfo(after, period, event));
-  i->m_eventId = make_shared<EventIdImpl>(func_lib::cref(i));
+
+  // On OSX 10.9, boost, and C++03 the following doesn't work without ndn::
+  // because the argument-dependent lookup prefers STL to boost
+  i->m_eventId = ndn::make_shared<EventIdImpl>(i);
 
   if (!m_isEventExecuting)
     {