diff --git a/src/project/settings.py b/src/project/settings.py
index 428dd6b..ec76c36 100644
--- a/src/project/settings.py
+++ b/src/project/settings.py
@@ -168,7 +168,7 @@ ACCOUNT_USERNAME_REQUIRED = False
 # OAuth2 configuration
 OAUTH2_PROVIDER = {
     "OIDC_ENABLED": True,
-    "OIDC_RSA_PRIVATE_KEY": env.str("OIDC_RSA_PRIVATE_KEY_1"),
+    "OIDC_RSA_PRIVATE_KEY": env.str("OIDC_RSA_PRIVATE_KEY_1", default=""),
     "SCOPES": {
         "openid": "OpenID Connect scope",
         "profile": "Profile Information",