diff --git a/vm/Config.freebsd.x86.64 b/vm/Config.freebsd.x86.64
index 0f9667e48d..2151a4a6f6 100644
--- a/vm/Config.freebsd.x86.64
+++ b/vm/Config.freebsd.x86.64
@@ -1,2 +1,3 @@
 include vm/Config.freebsd
 include vm/Config.x86.64
+LIBS += -lpthread