diff --git a/lnbits/config.py b/lnbits/config.py
index 02e8cf53..b2fbfff1 100644
--- a/lnbits/config.py
+++ b/lnbits/config.py
@@ -33,10 +33,10 @@ class Settings(BaseSettings):
     hide_api: bool = Field(default=False, env="LNBITS_HIDE_API")
     denomination: str = Field(default="sats", env="LNBITS_DENOMINATION")
     # Change theme
-    site_title: str = Field(default=None, env="LNBITS_SITE_TITLE")
-    site_tagline: str = Field(default=None, env="LNBITS_SITE_TAGLINE")
+    site_title: str = Field(default="LNbits", env="LNBITS_SITE_TITLE")
+    site_tagline: str = Field(default="free and open-source lightning wallet", env="LNBITS_SITE_TAGLINE")
     site_description: str = Field(default=None, env="LNBITS_SITE_DESCRIPTION")
-    default_wallet_name: str = Field(default=None, env="LNBITS_DEFAULT_WALLET_NAME")
+    default_wallet_name: str = Field(default="LNbits wallet", env="LNBITS_DEFAULT_WALLET_NAME")
     theme: List[str] = Field(default="classic, flamingo, mint, salvador, monochrome, autumn", env="LNBITS_THEME_OPTIONS")
     ad_space: List[str] = Field(default_factory=list, env="LNBITS_AD_SPACE")
     # .env
diff --git a/lnbits/extensions/admin/models.py b/lnbits/extensions/admin/models.py
index 36d9b815..0f25679d 100644
--- a/lnbits/extensions/admin/models.py
+++ b/lnbits/extensions/admin/models.py
@@ -17,11 +17,11 @@ class UpdateAdminSettings(BaseModel):
     service_fee: float = Query(None, ge=0)
     hide_api: bool = Query(None)
     # Change theme
-    site_title: str = Query(None)
-    site_tagline: str = Query(None)
+    site_title: str = Query("LNbits")
+    site_tagline: str = Query("free and open-source lightning wallet")
     site_description: str = Query(None)
-    default_wallet_name: str = Query(None)
-    denomination: str = Query(None)
+    default_wallet_name: str = Query("LNbits wallet")
+    denomination: str = Query("sats")
     theme: str = Query(None)
     ad_space: str = Query(None)