diff --git a/monero-wallet-gui.pro b/monero-wallet-gui.pro
index 45561ba8..9f291211 100644
--- a/monero-wallet-gui.pro
+++ b/monero-wallet-gui.pro
@@ -311,6 +311,7 @@ macx {
         -L/usr/local/opt/boost/lib \
         -lboost_serialization \
         -lboost_thread-mt \
+        -lboost_system-mt \
         -lboost_system \
         -lboost_date_time \
         -lboost_filesystem \