diff --git a/src/api/mod.rs b/src/api/mod.rs
index a8d8bee..9d42434 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -19,6 +19,9 @@ pub enum ApiError {
     #[error("Not Found")]
     NotFound,
 
+    #[error("Already Exists")]
+    AlreadyExists,
+
     #[error("Hash Error")]
     HashError(#[from] pwhash::error::Error),
 
diff --git a/src/api/system.rs b/src/api/system.rs
index 4461a14..2f49699 100644
--- a/src/api/system.rs
+++ b/src/api/system.rs
@@ -7,6 +7,7 @@ use jsonrpsee::RpcModule;
 use pwhash::sha512_crypt;
 use serde::{Deserialize, Serialize};
 
+use ApiError::AlreadyExists;
 use ApiError::ConfigError;
 use ApiError::HashError;
 use ApiError::NotFound;
@@ -124,7 +125,7 @@ pub fn create_user(p: Params, state: &RpcState) -> Result<(), ApiError> {
         .map_err(ConfigError)
     } else {
         tx.revert();
-        Err(NotFound)
+        Err(AlreadyExists)
     }
 }