diff --git a/beast/boost/Boost.cpp b/beast/boost/Boost.cpp
index 7e266310..72ee96d0 100644
--- a/beast/boost/Boost.cpp
+++ b/beast/boost/Boost.cpp
@@ -20,3 +20,11 @@
 #include "BeastConfig.h"
 
 #include "ErrorCode.h"
+
+namespace detail {
+
+// to squelch linker warnings
+int boostUnusedVariable = 0;
+
+}
+