diff --git a/melib/src/backends.rs b/melib/src/backends.rs
index 350815a4..47338484 100644
--- a/melib/src/backends.rs
+++ b/melib/src/backends.rs
@@ -22,6 +22,8 @@
 #[macro_export]
 macro_rules! tag_hash {
     ($tag:ident) => {{
+        use std::collections::hash_map::DefaultHasher;
+        use std::hash::Hasher;
         let mut hasher = DefaultHasher::new();
         hasher.write($tag.as_bytes());
         hasher.finish()