diff --git a/src/profile/identity/gemini/memory.rs b/src/profile/identity/gemini/memory.rs
index 52cd78e9..32ddb2f3 100644
--- a/src/profile/identity/gemini/memory.rs
+++ b/src/profile/identity/gemini/memory.rs
@@ -24,7 +24,7 @@ impl Memory {
     /// * validate record with same key does not exist yet
     pub fn add(&self, id: i64, pem: String) -> Result<(), Error> {
         match self.index.borrow_mut().insert(id, pem) {
-            Some(_) => Err(Error::Overwrite), // @TODO prevent?
+            Some(_) => Err(Error::Overwrite(id)), // @TODO prevent?
             None => Ok(()),
         }
     }
@@ -33,7 +33,7 @@ impl Memory {
     pub fn get(&self, id: i64) -> Result<String, Error> {
         match self.index.borrow().get(&id) {
             Some(pem) => Ok(pem.clone()),
-            None => Err(Error::NotFound),
+            None => Err(Error::NotFound(id)),
         }
     }
 
diff --git a/src/profile/identity/gemini/memory/error.rs b/src/profile/identity/gemini/memory/error.rs
index 09edab81..83f64a5d 100644
--- a/src/profile/identity/gemini/memory/error.rs
+++ b/src/profile/identity/gemini/memory/error.rs
@@ -1,5 +1,5 @@
 #[derive(Debug)]
 pub enum Error {
-    NotFound,
-    Overwrite,
+    NotFound(i64),
+    Overwrite(i64),
 }