diff --git a/src/openrct2/core/Path.cpp b/src/openrct2/core/Path.cpp
index 8c1bfeb045..2206901ef6 100644
--- a/src/openrct2/core/Path.cpp
+++ b/src/openrct2/core/Path.cpp
@@ -16,6 +16,7 @@
 #include "../platform/platform.h"
 #include "../util/Util.h"
 #include "File.h"
+#include "FileSystem.hpp"
 #include "Memory.hpp"
 #include "Path.hpp"
 #include "String.hpp"
@@ -143,7 +144,7 @@ namespace Path
 
     const std::string GetExtension(const std::string& path)
     {
-        return GetExtension(path.c_str());
+        return fs::path{ path }.extension().string();
     }
 
     const utf8* GetExtension(const utf8* path)