diff --git a/haml/main.haml b/haml/main.haml
index 0d68867..7b271c1 100644
--- a/haml/main.haml
+++ b/haml/main.haml
@@ -167,7 +167,7 @@
       %a.badge(href="https://creativecommons.org/licenses/by-nc-sa/4.0/")
         %img(src="/images/badges/cc-by-nc-sa.png" alt="creativecommons badge" loading="lazy")
       %a.badge
-        %img(src="/images/badges/fof.png" alt="fof badge" loading="lazy")
+        %img(src="/images/badges/fof.gif" alt="fof badge" loading="lazy")
 
     %br
 
diff --git a/theme/images/badges/credits.txt b/theme/images/badges/credits.txt
index f0a468e..42a6e70 100644
--- a/theme/images/badges/credits.txt
+++ b/theme/images/badges/credits.txt
@@ -59,5 +59,5 @@
 "#Guigui" https://guigui.aerocity.site guigui.png original
 
 "Houl" https://houl.floof.company houl.png original
-"Houl" https://houl.floof.company fof.png original
+"Houl" https://houl.floof.company fof.gif original