diff --git a/libimagstore/src/store.rs b/libimagstore/src/store.rs
index 4d86152d..3d6d4437 100644
--- a/libimagstore/src/store.rs
+++ b/libimagstore/src/store.rs
@@ -12,7 +12,7 @@ pub trait Store {
     fn create(&self, entry : Entry) -> Result<()>;
     fn retrieve(&self, id : String) -> Result<LockedEntry>;
     fn retrieve_copy(&self, id : String) -> Result<Entry>;
-    fn update(&self, LockedEntry) -> Result<()>;
+    fn update(&self, &LockedEntry) -> Result<()>;
     fn delete(&self, id : String) -> Result<()>;
 }