diff --git a/cmake/SfizzDeps.cmake b/cmake/SfizzDeps.cmake
index 1e4bd556..fbf5f8e0 100644
--- a/cmake/SfizzDeps.cmake
+++ b/cmake/SfizzDeps.cmake
@@ -183,9 +183,21 @@ add_library(sfizz::atomic_queue ALIAS sfizz_atomic_queue)
 target_include_directories(sfizz_atomic_queue INTERFACE "external/atomic_queue/include")
 
 # The ghc::filesystem library
-add_library(sfizz_filesystem INTERFACE)
+if(FALSE)
+    # header-only
+    add_library(sfizz_filesystem INTERFACE)
+    target_include_directories(sfizz_filesystem INTERFACE "external/filesystem/include")
+else()
+    # static library
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/fs_std_impl.cpp" "#include <ghc/fs_std_impl.hpp>")
+    add_library(sfizz_filesystem_impl STATIC "${CMAKE_CURRENT_BINARY_DIR}/fs_std_impl.cpp")
+    target_include_directories(sfizz_filesystem_impl PUBLIC "external/filesystem/include")
+    #
+    add_library(sfizz_filesystem INTERFACE)
+    target_compile_definitions(sfizz_filesystem INTERFACE "GHC_FILESYSTEM_FWD")
+    target_link_libraries(sfizz_filesystem INTERFACE sfizz_filesystem_impl)
+endif()
 add_library(sfizz::filesystem ALIAS sfizz_filesystem)
-target_include_directories(sfizz_filesystem INTERFACE "external/filesystem/include")
 
 # The atomic library
 add_library(sfizz_atomic INTERFACE)
diff --git a/src/sfizz/FileMetadata.cpp b/src/sfizz/FileMetadata.cpp
index 65ba9677..541734a9 100644
--- a/src/sfizz/FileMetadata.cpp
+++ b/src/sfizz/FileMetadata.cpp
@@ -13,6 +13,7 @@
 #include <absl/strings/numbers.h>
 #include <absl/strings/string_view.h>
 #include <map>
+#include <vector>
 #include <string>
 #include <cstdio>
 #include <cstring>