diff --git a/.changeset/sour-badgers-cry.md b/.changeset/sour-badgers-cry.md
index cd5aaf7afb..901294bf03 100644
--- a/.changeset/sour-badgers-cry.md
+++ b/.changeset/sour-badgers-cry.md
@@ -2,4 +2,4 @@
 '@backstage/core-api': patch
 ---
 
-GitHub Auth Api uses provider.id to build storage key name.
+Use auth provider ID to create unique session storage keys for GitHub and SAML Auth.
diff --git a/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts b/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts
index da5f082c9b..e05f6266d6 100644
--- a/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts
+++ b/packages/core-api/src/apis/implementations/auth/saml/SamlAuth.ts
@@ -63,7 +63,7 @@ class SamlAuth implements ProfileInfoApi, BackstageIdentityApi, SessionApi {
 
     const authSessionStore = new AuthSessionStore<SamlSession>({
       manager: sessionManager,
-      storageKey: 'samlSession',
+      storageKey: `${provider.id}Session`,
     });
 
     return new SamlAuth(authSessionStore);