diff --git a/src/storage/backend.rs b/src/storage/backend.rs
index 5bc27103..d4e6c61c 100644
--- a/src/storage/backend.rs
+++ b/src/storage/backend.rs
@@ -189,7 +189,7 @@ impl StorageBackend {
      * TODO: Needs refactoring, as there might be an error when reading from
      * disk OR the id just does not exist.
      */
-    pub fn get_file_by_id<'a, HP>(&self, m: &'a Module, id: FileID, p: &Parser<HP>) -> Option<File<'a>>
+    pub fn get_file_by_id<'a, HP>(&self, m: &'a Module, id: &FileID, p: &Parser<HP>) -> Option<File<'a>>
         where HP: FileHeaderParser
     {
         debug!("Searching for file with id '{}'", id);