diff --git a/libimagstore/src/error.rs b/libimagstore/src/error.rs
index 39b47034..78588cfb 100644
--- a/libimagstore/src/error.rs
+++ b/libimagstore/src/error.rs
@@ -27,6 +27,7 @@ pub enum StoreErrorKind {
     HeaderPathTypeFailure,
     HeaderKeyNotFound,
     HeaderTypeFailure,
+    HookRegisterError,
         // maybe more
 }
 
@@ -50,6 +51,7 @@ fn store_error_type_as_str(e: &StoreErrorKind) -> &'static str {
         &StoreErrorKind::HeaderPathTypeFailure => "Header has wrong type for path",
         &StoreErrorKind::HeaderKeyNotFound     => "Header Key not found",
         &StoreErrorKind::HeaderTypeFailure     => "Header type is wrong",
+        &StoreErrorKind::HookRegisterError     => "Hook register error",
     }
 }