diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2bcfb66..4216607 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -2,6 +2,9 @@ include_directories(${CMAKE_SOURCE_DIR}/include)
 
 add_executable(test_module test_module.cpp)
 set_property(TARGET test_module PROPERTY COMPILE_FLAGS "-std=c++17")
+if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+  set_property(TARGET test_module PROPERTY LINK_OPTIONS "-pthread")
+endif()
 target_link_libraries(test_module ${JLCXX_TARGET} ${JLCXX_STL_TARGET} ${Julia_LIBRARY})
 add_test(NAME test_module COMMAND test_module)