diff --git a/CMakeLists.txt b/CMakeLists.txt
index fee47d23..8a901f76 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,6 +114,8 @@ find_package(Threads REQUIRED)
 target_link_libraries(ccls PRIVATE Threads::Threads)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
+  find_package(Backtrace REQUIRED)
+  target_link_libraries(ccls PRIVATE ${Backtrace_LIBRARIES})
   # src/platform_posix.cc uses libthr
   target_link_libraries(ccls PRIVATE thr)
 endif()