diff --git a/.github/workflows/ci-backend.yml b/.github/workflows/ci-backend.yml
index 18b1da0d..b3543cc4 100644
--- a/.github/workflows/ci-backend.yml
+++ b/.github/workflows/ci-backend.yml
@@ -29,6 +29,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
     - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
diff --git a/backend/src/main/kotlin/ch/sbb/backend/infrastructure/configuration/WebSecurityConfig.kt b/backend/src/main/kotlin/ch/sbb/backend/infrastructure/configuration/WebSecurityConfig.kt
index 6e436ba4..aa0a5671 100644
--- a/backend/src/main/kotlin/ch/sbb/backend/infrastructure/configuration/WebSecurityConfig.kt
+++ b/backend/src/main/kotlin/ch/sbb/backend/infrastructure/configuration/WebSecurityConfig.kt
@@ -37,6 +37,7 @@ class WebSecurityConfig {
                 authorize("/swagger-ui/**", permitAll)
                 authorize("/v3/api-docs/**", permitAll)
                 authorize("/actuator/health/**", permitAll)
+                authorize("/error", authenticated)
                 authorize("/api/**", hasRole("admin"))
                 authorize("/**", denyAll)
             }