diff --git a/libsrc/core/CMakeLists.txt b/libsrc/core/CMakeLists.txt
index 190de2dc..823efa84 100644
--- a/libsrc/core/CMakeLists.txt
+++ b/libsrc/core/CMakeLists.txt
@@ -20,6 +20,9 @@ target_compile_options(ngcore PUBLIC "${NG_COMPILE_FLAGS}")
 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
   target_compile_options(ngcore PUBLIC -fsized-deallocation -faligned-allocation)
 endif()
+if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9)
+    target_link_libraries(ngcore PUBLIC stdc++fs)
+endif()
 
 if(USE_PYTHON)
   target_sources(ngcore PRIVATE python_ngcore.cpp)