--- a/src/base/CMakeLists.txt
+++ b/src/base/CMakeLists.txt
@@ -197,6 +197,10 @@ target_link_libraries(qbt_base
         qbt_common_cfg
 )
 
+if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
+	target_link_libraries(qbt_base PRIVATE stdc++fs)
+endif()
+
 if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
     find_library(IOKit_LIBRARY IOKit)
     find_library(Carbon_LIBRARY Carbon)