diff --git a/build/Jamfile.v2 b/build/Jamfile.v2
index c64265a4..d2146f58 100644
--- a/build/Jamfile.v2
+++ b/build/Jamfile.v2
@@ -1,7 +1,10 @@
 
+# Declare the uses system library
+lib pthread : : <name>pthread ;
+
 project boost/thread
     : source-location ../src 
-    : use-requirements <find-library>pthread
+    : use-requirements <library>pthread
     ;
 
 CPP_SOURCES = condition mutex recursive_mutex thread tss xtime once exceptions ;