1 files changed, 3 insertions, 2 deletions
diff --git a/public/assets/javascripts/util.js b/public/assets/javascripts/util.js
index 5a89c48..76c5c7b 100644
--- a/public/assets/javascripts/util.js
+++ b/public/assets/javascripts/util.js
@@ -92,9 +92,10 @@ function smoothstep(min,max,n){
 }
 
 function shuffle(a){
+  var r, swap
   for (var i = a.length; i > 0; i--){
-    var r = randint(i)
-    var swap = a[i-1]
+    r = randint(i)
+    swap = a[i-1]
     a[i-1] = a[r]
     a[r] = swap
   }