diff --git a/lnbits/core/templates/admin/_tab_theme.html b/lnbits/core/templates/admin/_tab_theme.html
index c36b40d03..8d5126c2a 100644
--- a/lnbits/core/templates/admin/_tab_theme.html
+++ b/lnbits/core/templates/admin/_tab_theme.html
@@ -27,8 +27,8 @@
         <div class="col-12 col-md-2 q-mt-xl">
           <q-toggle
             tip="Remove homepage elements like 'runs on' etc"
-            v-model="formData.LNBITS_SHOW_HOME_PAGE_ELEMENTS"
-            :label="formData.LNBITS_SHOW_HOME_PAGE_ELEMENTS ? 'Enable elements on homepage' : 'Disable elements on homepage'"
+            v-model="formData.lnbits_show_home_page_elements"
+            :label="formData.lnbits_show_home_page_elements ? 'Enable elements on homepage' : 'Disable elements on homepage'"
           ></q-toggle>
         </div>
       </div>
diff --git a/lnbits/helpers.py b/lnbits/helpers.py
index eb4b073d9..369d58fd8 100644
--- a/lnbits/helpers.py
+++ b/lnbits/helpers.py
@@ -72,7 +72,7 @@ def template_renderer(additional_folders: Optional[List] = None) -> Jinja2Templa
     t.env.globals["SITE_TAGLINE"] = settings.lnbits_site_tagline
     t.env.globals["SITE_DESCRIPTION"] = settings.lnbits_site_description
     t.env.globals["LNBITS_SHOW_HOME_PAGE_ELEMENTS"] = (
-        settings.LNBITS_SHOW_HOME_PAGE_ELEMENTS
+        settings.lnbits_show_home_page_elements
     )
     t.env.globals["LNBITS_CUSTOM_BADGE"] = settings.lnbits_custom_badge
     t.env.globals["LNBITS_CUSTOM_BADGE_COLOR"] = settings.lnbits_custom_badge_color
diff --git a/lnbits/settings.py b/lnbits/settings.py
index 76f0f52d2..44b73c328 100644
--- a/lnbits/settings.py
+++ b/lnbits/settings.py
@@ -89,9 +89,9 @@ class ThemesSettings(LNbitsSettings):
     lnbits_site_description: Optional[str] = Field(
         default="The world's most powerful suite of bitcoin tools."
     )
-    LNBITS_SHOW_HOME_PAGE_ELEMENTS: bool = Field(default=True)
+    lnbits_show_home_page_elements: bool = Field(default=True)
     lnbits_default_wallet_name: str = Field(default="LNbits wallet")
-    lnbits_custom_badge: str = Field(default=None)
+    lnbits_custom_badge: Optional[str] = Field(default=None)
     lnbits_custom_badge_color: str = Field(default="warning")
     lnbits_theme_options: list[str] = Field(
         default=[
@@ -104,7 +104,7 @@ class ThemesSettings(LNbitsSettings):
             "cyber",
         ]
     )
-    lnbits_custom_logo: str = Field(default=None)
+    lnbits_custom_logo: Optional[str] = Field(default=None)
     lnbits_ad_space_title: str = Field(default="Supported by")
     lnbits_ad_space: str = Field(
         default="https://shop.lnbits.com/;/static/images/bitcoin-shop-banner.png;/static/images/bitcoin-shop-banner.png,https://affil.trezor.io/aff_c?offer_id=169&aff_id=33845;/static/images/bitcoin-hardware-wallet.png;/static/images/bitcoin-hardware-wallet.png,https://opensats.org/;/static/images/open-sats.png;/static/images/open-sats.png"
@@ -122,7 +122,7 @@ class OpsSettings(LNbitsSettings):
     lnbits_service_fee: float = Field(default=0)
     lnbits_service_fee_ignore_internal: bool = Field(default=True)
     lnbits_service_fee_max: int = Field(default=0)
-    lnbits_service_fee_wallet: str = Field(default=None)
+    lnbits_service_fee_wallet: Optional[str] = Field(default=None)
     lnbits_hide_api: bool = Field(default=False)
     lnbits_denomination: str = Field(default="sats")
 
@@ -276,8 +276,8 @@ class FundingSourcesSettings(
 
 
 class WebPushSettings(LNbitsSettings):
-    lnbits_webpush_pubkey: str = Field(default=None)
-    lnbits_webpush_privkey: str = Field(default=None)
+    lnbits_webpush_pubkey: Optional[str] = Field(default=None)
+    lnbits_webpush_privkey: Optional[str] = Field(default=None)
 
 
 class NodeUISettings(LNbitsSettings):
diff --git a/lnbits/tasks.py b/lnbits/tasks.py
index f3a2a4942..15860b260 100644
--- a/lnbits/tasks.py
+++ b/lnbits/tasks.py
@@ -196,7 +196,11 @@ async def send_push_notification(subscription, title, body, url=""):
         webpush(
             json.loads(subscription.data),
             json.dumps({"title": title, "body": body, "url": url}),
-            vapid.from_pem(bytes(settings.lnbits_webpush_privkey, "utf-8")),
+            (
+                vapid.from_pem(bytes(settings.lnbits_webpush_privkey, "utf-8"))
+                if settings.lnbits_webpush_privkey
+                else None
+            ),
             {"aud": "", "sub": "mailto:alan@lnbits.com"},
         )
     except WebPushException as e: