diff --git a/aleksis/apps/paweljong/templates/paweljong/invoice_pdf.html b/aleksis/apps/paweljong/templates/paweljong/invoice_pdf.html
index 84e3d942629d1a140a2d5dc9ea42a1988e590c1a..3b3acaabc51722329750a8cb830a2a22032e85f5 100644
--- a/aleksis/apps/paweljong/templates/paweljong/invoice_pdf.html
+++ b/aleksis/apps/paweljong/templates/paweljong/invoice_pdf.html
@@ -8,6 +8,8 @@
 <!DOCTYPE html>
 <html lang="{{ LANGUAGE_CODE }}">
 <head>
+  <base href="{{ BASE_URL }}" />
+
   {% include "core/partials/meta.html" %}
 
   <title>