diff --git a/lib/invoice/cli.py b/lib/invoice/cli.py
index 4871363..93407c6 100644
--- a/lib/invoice/cli.py
+++ b/lib/invoice/cli.py
@@ -128,36 +128,37 @@ class Application:
         tmp_pdf_file = os.path.join(tmp_path, "{}.pdf".format(invoice._name))
         pdf_file = os.path.join(output_path, "{}.pdf".format(invoice._name))
 
-        if generate and (not os.path.exists(pdf_file) or
-                os.path.getmtime(invoice._path) > os.path.getmtime(pdf_file)):
-            issuer = self.db.companies[self.my_company]
-            customer = self.db.companies[invoice.company_name]
-
-            invoice_data = invoice.data()
-            issuer_data = issuer.data()
-            customer_data = customer.data()
-
-            log.debug("Invoice: {}".format(invoice_data._data))
-            log.debug("Issuer: {}".format(issuer_data._data))
-            log.debug("Customer: {}".format(customer_data._data))
-
-            log.debug("Creating TeX invoice...")
-            self._check_path(self.tmp_path)
-            result = tempita.Template(open(tex_template).read()).substitute(
-                invoice=invoice_data, issuer=issuer_data, customer=customer_data)
-            open(tex_file, "w").write(str(result))
-            assert(os.path.exists(tex_file))
-
-            log.debug("Creating PDF invoice...")
-            if subprocess.call((self.tex_program, "{}.tex".format(invoice._name)), cwd=tmp_path) != 0:
-                raise GenerationError("PDF generation failed.")
-            assert(os.path.exists(tmp_pdf_file))
-
-            log.debug("Moving PDF file to the output directory...")
-            self._check_path(output_path)
-            os.rename(tmp_pdf_file, pdf_file)
-        else:
-            log.info("PDF file is up to date.")
+        if generate:
+            if(not os.path.exists(pdf_file) or
+                    os.path.getmtime(invoice._path) > os.path.getmtime(pdf_file)):
+                issuer = self.db.companies[self.my_company]
+                customer = self.db.companies[invoice.company_name]
+
+                invoice_data = invoice.data()
+                issuer_data = issuer.data()
+                customer_data = customer.data()
+
+                log.debug("Invoice: {}".format(invoice_data._data))
+                log.debug("Issuer: {}".format(issuer_data._data))
+                log.debug("Customer: {}".format(customer_data._data))
+
+                log.debug("Creating TeX invoice...")
+                self._check_path(self.tmp_path)
+                result = tempita.Template(open(tex_template).read()).substitute(
+                    invoice=invoice_data, issuer=issuer_data, customer=customer_data)
+                open(tex_file, "w").write(str(result))
+                assert(os.path.exists(tex_file))
+
+                log.debug("Creating PDF invoice...")
+                if subprocess.call((self.tex_program, "{}.tex".format(invoice._name)), cwd=tmp_path) != 0:
+                    raise GenerationError("PDF generation failed.")
+                assert(os.path.exists(tmp_pdf_file))
+
+                log.debug("Moving PDF file to the output directory...")
+                self._check_path(output_path)
+                os.rename(tmp_pdf_file, pdf_file)
+            else:
+                log.info("PDF file is up to date.")
 
         assert(os.path.exists(pdf_file))
         log.debug("Running PDF viewer...")