diff --git a/mod/ffsapi.php b/mod/ffsapi.php
index a75e60bcc..de47408bd 100644
--- a/mod/ffsapi.php
+++ b/mod/ffsapi.php
@@ -55,10 +55,10 @@ function activate(node) {
 }
 </script>
 
-<button onclick="activate(this)" title="activate the demo provider">$activate</button>
+<button onclick="activate(this)" title="activate the demo provider" class="btn btn-primary">$activate</button>
 
 EOT;
 
 return $s;
 
-}
\ No newline at end of file
+}