diff --git a/lnbits/app.py b/lnbits/app.py
index 83a9749bb..8e32e38bc 100644
--- a/lnbits/app.py
+++ b/lnbits/app.py
@@ -48,7 +48,9 @@ def create_app(config_object="lnbits.settings") -> FastAPI:
     app = FastAPI()
     app.mount("/static", StaticFiles(packages=[("lnbits", "static")]), name="static")
     app.mount(
-        "/core/static", StaticFiles(packages=[("lnbits.core", "static")]), name="core_static"
+        "/core/static",
+        StaticFiles(packages=[("lnbits.core", "static")]),
+        name="core_static",
     )
 
     origins = ["*"]
diff --git a/lnbits/extensions/offlineshop/__init__.py b/lnbits/extensions/offlineshop/__init__.py
index 2dbaa7d0f..0b776a8ce 100644
--- a/lnbits/extensions/offlineshop/__init__.py
+++ b/lnbits/extensions/offlineshop/__init__.py
@@ -21,7 +21,6 @@ def offlineshop_renderer():
     return template_renderer(["lnbits/extensions/offlineshop/templates"])
 
 
-
 from .lnurl import *  # noqa
 from .views import *  # noqa
 from .views_api import *  # noqa
diff --git a/lnbits/extensions/tpos/templates/tpos/tpos.html b/lnbits/extensions/tpos/templates/tpos/tpos.html
index e11f60797..ebc6595e2 100644
--- a/lnbits/extensions/tpos/templates/tpos/tpos.html
+++ b/lnbits/extensions/tpos/templates/tpos/tpos.html
@@ -308,7 +308,9 @@
       },
       sat: function () {
         if (!this.exchangeRate) return 0
-        return Math.ceil((this.amount / this.exchangeRate) * 100000000)
+        return Math.ceil(
+          ((this.amount - this.tipAmount) / this.exchangeRate) * 100000000
+        )
       },
       tipAmountSat: function () {
         if (!this.exchangeRate) return 0
@@ -423,10 +425,9 @@
         '{{ tpos.tip_options | tojson }}' == 'null'
           ? null
           : JSON.parse('{{ tpos.tip_options }}')
-      console.log(typeof this.tip_options, this.tip_options)
       setInterval(function () {
         getRates()
-      }, 20000)
+      }, 120000)
     }
   })
 </script>
diff --git a/lnbits/server.py b/lnbits/server.py
index c0efb8953..4a63b3b7b 100644
--- a/lnbits/server.py
+++ b/lnbits/server.py
@@ -1,17 +1,18 @@
+import click
 import uvicorn
 
-import click
 
 @click.command()
-@click.option('--port', default="5000", help='Port to run LNBits on')
-@click.option('--host', default="127.0.0.1", help='Host to run LNBits on')
+@click.option("--port", default="5000", help="Port to run LNBits on")
+@click.option("--host", default="127.0.0.1", help="Host to run LNBits on")
 def main(port, host):
     """Launched with `poetry run lnbits` at root level"""
     uvicorn.run("lnbits.__main__:app", port=port, host=host)
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     main()
 
-#def main():
+# def main():
 #    """Launched with `poetry run start` at root level"""
 #    uvicorn.run("lnbits.__main__:app")