diff --git a/sys/include/vfs/file.h b/sys/include/vfs/file.h
index b69789d..71e5fd9 100644
--- a/sys/include/vfs/file.h
+++ b/sys/include/vfs/file.h
@@ -88,7 +88,7 @@
     uint32_t fdSize;
 } userFileDescriptor;
 
-extern fileDescriptor_t *fdTable;
+extern static fileDescriptor_t *fdTable;
 
 fileDescriptor_t *fopen(const char *, const char *);
 int fclose(fileDescriptor_t *);