diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index aee056ea..9708b82f 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -8,7 +8,7 @@ CONFIG += no_include_pwd
 # for boost 1.37, add -mt to the boost libraries
 unix:LIBS += -lssl -lcrypto -lboost_system -lboost_filesystem -lboost_program_options -lboost_thread -ldb_cxx
 macx:DEFINES += __WXMAC_OSX__ MSG_NOSIGNAL=0 BOOST_FILESYSTEM_VERSION=3
-macx:LIBS += -lboost_thread-mt
+macx:LIBS += -lboost_thread-mt -lboost_system-mt -lboost_filesystem-mt -lboost_program_options-mt
 windows:DEFINES += __WXMSW__
 windows:LIBS += -lssl -lcrypto -lboost_system-mgw44-mt-1_43 -lboost_filesystem-mgw44-mt-1_43 -lboost_program_options-mgw44-mt-1_43 -lboost_thread-mgw44-mt-1_43 -ldb_cxx -lws2_32 -lgdi32