diff --git a/source/coral/files.cpp b/source/coral/files.cpp
index 181ccf9..ad58a04 100644
--- a/source/coral/files.cpp
+++ b/source/coral/files.cpp
@@ -124,6 +124,8 @@ export namespace coral {
 			bool can_write;
 		};
 
+		virtual ~fs() = 0;
+
 		/**
 		 * Attempts to read the file in the file system located at `file_path` relative, calling
 		 * `then` if it was successfully opened for reading.