diff --git a/main.py b/main.py
index d9e0dfe..512cf5a 100644
--- a/main.py
+++ b/main.py
@@ -63,7 +63,7 @@ def compile_invoice(id):
         loader=jinja2.FileSystemLoader(os.path.abspath('.'))
     )
     if invoice["mode"] == "hourly":
-        invoice["total"] = invoice["per_hour"] * invoice["hours"]
+        invoice["total"] = invoice["per_hour"] * (invoice["hours"] + invoice["minutes"] / 60)
     data = {
         "from": load_yaml("from.yaml"),
         "to": load_yaml("recipients/{id}.yaml".format(id=invoice["recipient"])),
@@ -131,6 +131,7 @@ def sign_invoice(id):
         ),
         "-b", "LOCAL",  # use local Bürgerkarte
         "-a",  # automatically position signature
+        "-v", "true" if name == "Rechnung" else "false",
         "-s"  # save without asking
     ])
 
diff --git a/template.tex b/template.tex
index 7f2d822..04e0ec2 100644
--- a/template.tex
+++ b/template.tex
@@ -104,7 +104,7 @@
 	
 	\VAR{invoice.description} &
 	\EUR{\VAR{invoice.per_hour | formatdigit }} &
-	\VAR{invoice.hours} &
+	\VAR{invoice.hours}:\VAR{invoice.minutes} &
 	\EUR{\VAR{invoice.total | formatdigit }} \\