diff --git a/src/invoice_generator/html_generator.py b/src/invoice_generator/html_generator.py
index 7f15a65..b9f37c5 100644
--- a/src/invoice_generator/html_generator.py
+++ b/src/invoice_generator/html_generator.py
@@ -62,7 +62,9 @@ class HtmlTemplate:
         # convert HTML to PDF
         pisa_status = pisa.CreatePDF(
             source_html,  # the HTML to convert
-            dest=result_file)  # file handle to recieve result
+            path='test_data/templates/fonts',
+            dest=result_file
+        )  # file handle to recieve result
 
         # close output file
         result_file.close()  # close output file
diff --git a/src/main.py b/src/main.py
index e0a8d2a..cf5f6c0 100644
--- a/src/main.py
+++ b/src/main.py
@@ -15,7 +15,7 @@ class DataObject:
 
 
 def parse_yaml_file(file_path):
-    with open(file_path, 'r') as file:
+    with open(file_path, 'r', encoding='utf-8') as file:
         return yaml.safe_load(file)
 
 
diff --git a/test_data/templates/invoice.html b/test_data/templates/invoice.html
index f5a91ba..3330a05 100644
--- a/test_data/templates/invoice.html
+++ b/test_data/templates/invoice.html
@@ -3,33 +3,33 @@
     <style>
         @font-face {
             font-family: "Barlow Semi Condensed";
-            src: url("test_data/templates/fonts/BarlowSemiCondensed-Regular.ttf");
+            src: url("fonts/BarlowSemiCondensed-Regular.ttf");
         }
 
         @font-face {
             font-family: "Barlow Semi Condensed";
-            src: url("test_data/templates/fonts/BarlowSemiCondensed-Light.ttf");
+            src: url("fonts/BarlowSemiCondensed-Light.ttf");
             font-style: normal;
             font-weight: normal;
         }
 
         @font-face {
             font-family: "Barlow Semi Condensed";
-            src: url("test_data/templates/fonts/BarlowSemiCondensed-LightItalic.ttf");
+            src: url("fonts/BarlowSemiCondensed-LightItalic.ttf");
             font-style: italic;
             font-weight: normal;
         }
 
         @font-face {
             font-family: "Barlow Semi Condensed";
-            src: url("test_data/templates/fonts/BarlowSemiCondensed-Bold.ttf");
+            src: url("fonts/BarlowSemiCondensed-Bold.ttf");
             font-style: normal;
             font-weight: bold;
         }
 
         @font-face {
             font-family: "Barlow Semi Condensed";
-            src: url("test_data/templates/fonts/BarlowSemiCondensed-BoldItalic.ttf");
+            src: url("fonts/BarlowSemiCondensed-BoldItalic.ttf");
             font-style: italic;
             font-weight: bold;
         }
@@ -166,9 +166,9 @@
     <table>
         <tr class="head underline">
             <th class="links" style="width: 55%">Aktivität</th>
-            <th class="rechts"style="width: 15%">Anzahl</th>
-            <th class="rechts"style="width: 15%">Einheit</th>
-            <th class="rechts"style="width: 15%">Betrag</th>
+            <th class="rechts" style="width: 15%">Anzahl</th>
+            <th class="rechts" style="width: 15%">Einheit</th>
+            <th class="rechts" style="width: 15%">Betrag</th>
         </tr>
         {% for position in invoice.Positions %}
         <tr class="positionen">