diff --git a/client/src/session/mod.rs b/client/src/session/mod.rs
index b6110e7..81f8059 100644
--- a/client/src/session/mod.rs
+++ b/client/src/session/mod.rs
@@ -74,8 +74,8 @@ impl<S: Storage> Session<S> {
     }
 
     /// Tries to authorize the session. If `token` is not accepted by the server, this leads to an
-    /// [crate::error::Error::InvalidToken] or [crate::error::Error::TokenExpired] error. If the
-    /// session is successfully authorized, the auth token is saved in the sessions [Storage].
+    /// [Error::InvalidToken] or [Error::TokenExpired] error. If the session is successfully
+    /// authorized, the auth token is saved in the sessions [Storage].
     pub async fn auth_with_token(&mut self, token: String) -> Result<(), Error> {
         let request = self
             .client
@@ -89,11 +89,12 @@ impl<S: Storage> Session<S> {
             .storage
             .push(
                 storage::keys::KEY_ACCOUNT_AUTH_TOKEN,
+                true,
                 token.to_owned().into_bytes(),
             )
             .await
         {
-            Ok(_) | Err(StorageError::IdCollision(_)) => (),
+            Ok(_) => (),
             Err(e) => return Err(Error::Unknown(e.to_string())),
         }
 
@@ -107,7 +108,7 @@ impl<S: Storage> Session<S> {
     }
 
     /// Tries to authorize the session. If the credentials are not accepted by the server, this
-    /// leads to a [crate::error::Error::AuthenticationFailure] or [crate::error::Error::UserNotFound] error.
+    /// leads to an [Error::AuthenticationFailure] or [Error::UserNotFound] error.
     pub async fn auth_with_credentials(
         &mut self,
         userid: Uuid,
@@ -124,6 +125,19 @@ impl<S: Storage> Session<S> {
 
         let response = parse_response::<data::api::account::auth::Response>(request.await).await?;
 
+        match self
+            .storage
+            .push(
+                storage::keys::KEY_ACCOUNT_AUTH_TOKEN,
+                true,
+                response.token.to_owned().into_bytes(),
+            )
+            .await
+        {
+            Ok(_) => (),
+            Err(e) => return Err(Error::Unknown(e.to_string())),
+        }
+
         self.auth = Some(AuthorizedSession {
             token: response.token,
             userid,
@@ -133,7 +147,7 @@ impl<S: Storage> Session<S> {
     }
 
     /// Tries to register a new account on the server. If the server doesn't accept the invite-token,
-    /// this leads to an [crate::error::Error::InvalidToken] or [crate::error::Error::TokenExpired] error.
+    /// this leads to an [Error::InvalidToken] or [Error::TokenExpired] error.
     pub async fn register(&mut self, token: &str, password: &str) -> Result<(), Error> {
         let request = self
             .client
diff --git a/client/src/storage/mod.rs b/client/src/storage/mod.rs
index decf704..d532d38 100644
--- a/client/src/storage/mod.rs
+++ b/client/src/storage/mod.rs
@@ -18,8 +18,9 @@ pub enum StorageError {
 #[allow(async_fn_in_trait)]
 pub trait Storage: Sized {
     /// Save binary data in the storage. The data is identified by `id` and can be retrieved again
-    /// using [Storage::pull].
-    async fn push(&mut self, id: &str, data: Vec<u8>) -> Result<(), StorageError>;
+    /// using [Storage::pull]. When `force` is set to true, this overrides entries with the same
+    /// name instead of returning a collision error.
+    async fn push(&mut self, id: &str, force: bool, data: Vec<u8>) -> Result<(), StorageError>;
 
     /// Reads binary data identified by `id` from the storage. Returns an error if `id` is unknown.
     async fn pull(&mut self, id: &str) -> Result<&Vec<u8>, StorageError>;
diff --git a/client/src/storage/standard.rs b/client/src/storage/standard.rs
index c3d40b7..483f743 100644
--- a/client/src/storage/standard.rs
+++ b/client/src/storage/standard.rs
@@ -1,7 +1,4 @@
-use crate::{
-    storage::{Storage, StorageError},
-    Session,
-};
+use crate::storage::{Storage, StorageError};
 use sqlx::SqlitePool;
 use std::collections::HashMap;
 
@@ -51,8 +48,8 @@ impl StandardStorage {
 }
 
 impl Storage for StandardStorage {
-    async fn push(&mut self, id: &str, data: Vec<u8>) -> Result<(), StorageError> {
-        if self.entries.contains_key(id) {
+    async fn push(&mut self, id: &str, force: bool, data: Vec<u8>) -> Result<(), StorageError> {
+        if !force && self.entries.contains_key(id) {
             return Err(StorageError::IdCollision(id.to_string()));
         }
 
@@ -101,7 +98,7 @@ mod tests {
     async fn standard_storage() {
         let mut storage = StandardStorage::new("sqlite:test.db").await.unwrap();
         let data = vec![0xAC, 0xAB];
-        storage.push("test", data).await.unwrap();
+        storage.push("test", false, data).await.unwrap();
 
         let pulled_data = storage.pull("test").await.unwrap();
         assert!(pulled_data[0] == 0xAC && pulled_data[1] == 0xAB);