diff --git a/include/crucible/lockset.h b/include/crucible/lockset.h
index 856c55e..99500b7 100644
--- a/include/crucible/lockset.h
+++ b/include/crucible/lockset.h
@@ -117,7 +117,7 @@ namespace crucible {
 		while (full() || locked(name)) {
 			m_condvar.wait(lock);
 		}
-		auto rv = m_set.insert(make_pair(name, gettid()));
+		auto rv = m_set.insert(make_pair(name, crucible::gettid()));
 		THROW_CHECK0(runtime_error, rv.second);
 	}
 
@@ -129,7 +129,7 @@ namespace crucible {
 		if (full() || locked(name)) {
 			return false;
 		}
-		auto rv = m_set.insert(make_pair(name, gettid()));
+		auto rv = m_set.insert(make_pair(name, crucible::gettid()));
 		THROW_CHECK1(runtime_error, name, rv.second);
 		return true;
 	}
diff --git a/lib/chatter.cc b/lib/chatter.cc
index cbd5adb..e5a24f9 100644
--- a/lib/chatter.cc
+++ b/lib/chatter.cc
@@ -69,14 +69,14 @@ namespace crucible {
 			DIE_IF_ZERO(strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &ltm));
 
 			header_stream << buf;
-			header_stream << " " << getpid() << "." << gettid() << "<" << m_loglevel << ">";
+			header_stream << " " << getpid() << "." << crucible::gettid() << "<" << m_loglevel << ">";
 			if (!m_name.empty()) {
 				header_stream << " " << m_name;
 			}
 		} else {
 			header_stream << "<" << m_loglevel << ">";
 			header_stream << (m_name.empty() ? "thread" : m_name);
-			header_stream << "[" << gettid() << "]";
+			header_stream << "[" << crucible::gettid() << "]";
 		}
 
 		header_stream << ": ";
diff --git a/src/bees.cc b/src/bees.cc
index 3d814cb..79d7dc6 100644
--- a/src/bees.cc
+++ b/src/bees.cc
@@ -142,9 +142,9 @@ BeesNote::~BeesNote()
 	tl_next = m_prev;
 	unique_lock<mutex> lock(s_mutex);
 	if (tl_next) {
-		s_status[gettid()] = tl_next;
+		s_status[crucible::gettid()] = tl_next;
 	} else {
-		s_status.erase(gettid());
+		s_status.erase(crucible::gettid());
 	}
 }
 
@@ -155,7 +155,7 @@ BeesNote::BeesNote(function<void(ostream &os)> f) :
 	m_prev = tl_next;
 	tl_next = this;
 	unique_lock<mutex> lock(s_mutex);
-	s_status[gettid()] = tl_next;
+	s_status[crucible::gettid()] = tl_next;
 }
 
 void