diff --git a/source/conf.py b/source/conf.py
index 1214a95..47f6e60 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -125,7 +125,7 @@ html_theme = 'nervproject'
 html_theme_options = {
     "logoalt": project,
     "social": [
-        ('solid', 'barcode', 'ISSN 2736-7649', 'https://portal.issn.org/resource/ISSN/2736-7649'),
+        ('solid', 'barcode', 'ISSN 2736-7649', 'https://portal.issn.org/resource/ISSN/2736-7649'),
         ('solid', 'building', 'Nerv Project ASBL', 'https://www.nerv-project.eu'),
         ('solid', 'building', 'BCE 0756.741.342', 'https://kbopub.economie.fgov.be/kbopub/toonondernemingps.html?ondernemingsnummer=756741342'),
         ('solid', 'receipt', 'TVA BE0756741342', 'https://kbopub.economie.fgov.be/kbopub/toonondernemingps.html?ondernemingsnummer=756741342'),