diff --git a/bindings/electron/src/index.d.ts b/bindings/electron/src/index.d.ts
index 92e437c567a..f368805e5d0 100644
--- a/bindings/electron/src/index.d.ts
+++ b/bindings/electron/src/index.d.ts
@@ -617,14 +617,22 @@ export type ClientAcceptTosError =
 
 
 // ClientCancelInvitationError
-export interface ClientCancelInvitationErrorAlreadyDeleted {
-    tag: "AlreadyDeleted"
+export interface ClientCancelInvitationErrorAlreadyCancelled {
+    tag: "AlreadyCancelled"
+    error: string
+}
+export interface ClientCancelInvitationErrorCompleted {
+    tag: "Completed"
     error: string
 }
 export interface ClientCancelInvitationErrorInternal {
     tag: "Internal"
     error: string
 }
+export interface ClientCancelInvitationErrorNotAllowed {
+    tag: "NotAllowed"
+    error: string
+}
 export interface ClientCancelInvitationErrorNotFound {
     tag: "NotFound"
     error: string
@@ -634,8 +642,10 @@ export interface ClientCancelInvitationErrorOffline {
     error: string
 }
 export type ClientCancelInvitationError =
-  | ClientCancelInvitationErrorAlreadyDeleted
+  | ClientCancelInvitationErrorAlreadyCancelled
+  | ClientCancelInvitationErrorCompleted
   | ClientCancelInvitationErrorInternal
+  | ClientCancelInvitationErrorNotAllowed
   | ClientCancelInvitationErrorNotFound
   | ClientCancelInvitationErrorOffline
 
diff --git a/bindings/electron/src/meths.rs b/bindings/electron/src/meths.rs
index 0d033f10760..e6567b67cda 100644
--- a/bindings/electron/src/meths.rs
+++ b/bindings/electron/src/meths.rs
@@ -4095,9 +4095,14 @@ fn variant_client_cancel_invitation_error_rs_to_js<'a>(
     let js_display = JsString::try_new(cx, &rs_obj.to_string()).or_throw(cx)?;
     js_obj.set(cx, "error", js_display)?;
     match rs_obj {
-        libparsec::ClientCancelInvitationError::AlreadyDeleted { .. } => {
+        libparsec::ClientCancelInvitationError::AlreadyCancelled { .. } => {
+            let js_tag = JsString::try_new(cx, "ClientCancelInvitationErrorAlreadyCancelled")
+                .or_throw(cx)?;
+            js_obj.set(cx, "tag", js_tag)?;
+        }
+        libparsec::ClientCancelInvitationError::Completed { .. } => {
             let js_tag =
-                JsString::try_new(cx, "ClientCancelInvitationErrorAlreadyDeleted").or_throw(cx)?;
+                JsString::try_new(cx, "ClientCancelInvitationErrorCompleted").or_throw(cx)?;
             js_obj.set(cx, "tag", js_tag)?;
         }
         libparsec::ClientCancelInvitationError::Internal { .. } => {
@@ -4105,6 +4110,11 @@ fn variant_client_cancel_invitation_error_rs_to_js<'a>(
                 JsString::try_new(cx, "ClientCancelInvitationErrorInternal").or_throw(cx)?;
             js_obj.set(cx, "tag", js_tag)?;
         }
+        libparsec::ClientCancelInvitationError::NotAllowed { .. } => {
+            let js_tag =
+                JsString::try_new(cx, "ClientCancelInvitationErrorNotAllowed").or_throw(cx)?;
+            js_obj.set(cx, "tag", js_tag)?;
+        }
         libparsec::ClientCancelInvitationError::NotFound { .. } => {
             let js_tag =
                 JsString::try_new(cx, "ClientCancelInvitationErrorNotFound").or_throw(cx)?;
diff --git a/bindings/generator/api/invite.py b/bindings/generator/api/invite.py
index 77054713c4b..aab81beebc7 100644
--- a/bindings/generator/api/invite.py
+++ b/bindings/generator/api/invite.py
@@ -587,7 +587,13 @@ class Offline:
     class NotFound:
         pass
 
-    class AlreadyDeleted:
+    class NotAllowed:
+        pass
+
+    class AlreadyCancelled:
+        pass
+
+    class Completed:
         pass
 
     class Internal:
diff --git a/bindings/web/src/meths.rs b/bindings/web/src/meths.rs
index 9b19bad856b..e929452c9eb 100644
--- a/bindings/web/src/meths.rs
+++ b/bindings/web/src/meths.rs
@@ -4453,11 +4453,18 @@ fn variant_client_cancel_invitation_error_rs_to_js(
     let js_display = &rs_obj.to_string();
     Reflect::set(&js_obj, &"error".into(), &js_display.into())?;
     match rs_obj {
-        libparsec::ClientCancelInvitationError::AlreadyDeleted { .. } => {
+        libparsec::ClientCancelInvitationError::AlreadyCancelled { .. } => {
             Reflect::set(
                 &js_obj,
                 &"tag".into(),
-                &"ClientCancelInvitationErrorAlreadyDeleted".into(),
+                &"ClientCancelInvitationErrorAlreadyCancelled".into(),
+            )?;
+        }
+        libparsec::ClientCancelInvitationError::Completed { .. } => {
+            Reflect::set(
+                &js_obj,
+                &"tag".into(),
+                &"ClientCancelInvitationErrorCompleted".into(),
             )?;
         }
         libparsec::ClientCancelInvitationError::Internal { .. } => {
@@ -4467,6 +4474,13 @@ fn variant_client_cancel_invitation_error_rs_to_js(
                 &"ClientCancelInvitationErrorInternal".into(),
             )?;
         }
+        libparsec::ClientCancelInvitationError::NotAllowed { .. } => {
+            Reflect::set(
+                &js_obj,
+                &"tag".into(),
+                &"ClientCancelInvitationErrorNotAllowed".into(),
+            )?;
+        }
         libparsec::ClientCancelInvitationError::NotFound { .. } => {
             Reflect::set(
                 &js_obj,
diff --git a/client/src/components/header/InvitationsButton.vue b/client/src/components/header/InvitationsButton.vue
index 5c132ace05f..9a83d0400ac 100644
--- a/client/src/components/header/InvitationsButton.vue
+++ b/client/src/components/header/InvitationsButton.vue
@@ -109,11 +109,13 @@ async function cancelUserInvitation(invitation: UserInvitation): Promise<void> {
     );
     await updateInvitations();
   } else {
-    // In both those cases we can just refresh the list and the invitation should disappear, no need
+    // In all those cases we can just refresh the list and the invitation should disappear, no need
     // to warn the user.
     if (
       result.error.tag === ClientCancelInvitationErrorTag.NotFound ||
-      result.error.tag === ClientCancelInvitationErrorTag.AlreadyDeleted
+      result.error.tag === ClientCancelInvitationErrorTag.NotAllowed ||
+      result.error.tag === ClientCancelInvitationErrorTag.AlreadyCancelled ||
+      result.error.tag === ClientCancelInvitationErrorTag.Completed
     ) {
       await updateInvitations();
     } else {
diff --git a/client/src/plugins/libparsec/definitions.ts b/client/src/plugins/libparsec/definitions.ts
index 3266f7eeed0..6d196a76a75 100644
--- a/client/src/plugins/libparsec/definitions.ts
+++ b/client/src/plugins/libparsec/definitions.ts
@@ -658,20 +658,30 @@ export type ClientAcceptTosError =
 
 // ClientCancelInvitationError
 export enum ClientCancelInvitationErrorTag {
-    AlreadyDeleted = 'ClientCancelInvitationErrorAlreadyDeleted',
+    AlreadyCancelled = 'ClientCancelInvitationErrorAlreadyCancelled',
+    Completed = 'ClientCancelInvitationErrorCompleted',
     Internal = 'ClientCancelInvitationErrorInternal',
+    NotAllowed = 'ClientCancelInvitationErrorNotAllowed',
     NotFound = 'ClientCancelInvitationErrorNotFound',
     Offline = 'ClientCancelInvitationErrorOffline',
 }
 
-export interface ClientCancelInvitationErrorAlreadyDeleted {
-    tag: ClientCancelInvitationErrorTag.AlreadyDeleted
+export interface ClientCancelInvitationErrorAlreadyCancelled {
+    tag: ClientCancelInvitationErrorTag.AlreadyCancelled
+    error: string
+}
+export interface ClientCancelInvitationErrorCompleted {
+    tag: ClientCancelInvitationErrorTag.Completed
     error: string
 }
 export interface ClientCancelInvitationErrorInternal {
     tag: ClientCancelInvitationErrorTag.Internal
     error: string
 }
+export interface ClientCancelInvitationErrorNotAllowed {
+    tag: ClientCancelInvitationErrorTag.NotAllowed
+    error: string
+}
 export interface ClientCancelInvitationErrorNotFound {
     tag: ClientCancelInvitationErrorTag.NotFound
     error: string
@@ -681,8 +691,10 @@ export interface ClientCancelInvitationErrorOffline {
     error: string
 }
 export type ClientCancelInvitationError =
-  | ClientCancelInvitationErrorAlreadyDeleted
+  | ClientCancelInvitationErrorAlreadyCancelled
+  | ClientCancelInvitationErrorCompleted
   | ClientCancelInvitationErrorInternal
+  | ClientCancelInvitationErrorNotAllowed
   | ClientCancelInvitationErrorNotFound
   | ClientCancelInvitationErrorOffline
 
diff --git a/libparsec/crates/client/src/invite/greeter.rs b/libparsec/crates/client/src/invite/greeter.rs
index 030cbe92d34..a76ec9db864 100644
--- a/libparsec/crates/client/src/invite/greeter.rs
+++ b/libparsec/crates/client/src/invite/greeter.rs
@@ -202,8 +202,12 @@ pub enum CancelInvitationError {
     Offline,
     #[error("Invitation not found")]
     NotFound,
-    #[error("Invitation already deleted")]
-    AlreadyDeleted,
+    #[error("Author not allowed")]
+    NotAllowed,
+    #[error("Invitation already cancelled")]
+    AlreadyCancelled,
+    #[error("Invitation already completed")]
+    Completed,
     #[error(transparent)]
     Internal(#[from] anyhow::Error),
 }
@@ -228,9 +232,9 @@ pub async fn cancel_invitation(
 
     match rep {
         Rep::Ok => Ok(()),
-        Rep::AuthorNotAllowed => Err(CancelInvitationError::NotFound),
-        Rep::InvitationAlreadyCancelled => Err(CancelInvitationError::AlreadyDeleted),
-        Rep::InvitationCompleted => Err(CancelInvitationError::AlreadyDeleted),
+        Rep::AuthorNotAllowed => Err(CancelInvitationError::NotAllowed),
+        Rep::InvitationAlreadyCancelled => Err(CancelInvitationError::AlreadyCancelled),
+        Rep::InvitationCompleted => Err(CancelInvitationError::Completed),
         Rep::InvitationNotFound => Err(CancelInvitationError::NotFound),
         rep @ Rep::UnknownStatus { .. } => {
             Err(anyhow::anyhow!("Unexpected server response: {:?}", rep).into())