diff --git a/lib/x11/xcore.js b/lib/x11/xcore.js
index bb96846..c3f9225 100644
--- a/lib/x11/xcore.js
+++ b/lib/x11/xcore.js
@@ -131,9 +131,9 @@ XClient.prototype.importRequestsFromTemplates = function(target, reqs)
                  var format = reqTemplate[0];
                  var requestArguments = [];
 
-                 for (a = 0; a < reqTemplate[1].length; ++a)
+                 for (var a = 0; a < reqTemplate[1].length; ++a)
                      requestArguments.push(reqTemplate[1][a]);                 
-                 for (a in args)
+                 for (var a in args)
                      requestArguments.push(args[a]);
 
                  if (callback)