diff --git a/buttons/all hell.piko b/buttons/all-hell.piko
similarity index 100%
rename from buttons/all hell.piko
rename to buttons/all-hell.piko
diff --git a/buttons/all hell.png b/buttons/all-hell.png
similarity index 100%
rename from buttons/all hell.png
rename to buttons/all-hell.png
diff --git a/index.html b/index.html
index 9277f7c..df5642e 100644
--- a/index.html
+++ b/index.html
@@ -76,7 +76,7 @@
     />
     <img
       class="btn88x31"
-      src="buttons/all hell.png"
+      src="buttons/all-hell.png"
       width="88"
       height="31"
       alt="A 88 by 31 pixel button of the All Hell album by Los Campesinos!"