diff --git a/lib/utils.js b/lib/utils.js
index 0d0be9d..273decb 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -19,8 +19,9 @@ if(typeof events.EventEmitter.prototype.once !== 'function') {
 function arrayString(val) {
 	var result = '{';
 	for (var i = 0 ; i < val.length; i++) {
-		if (i > 0)
+		if (i > 0) {
 			result = result + ',';
+		}
 		if (val[i] instanceof Date) {
 			result = result + JSON.stringify(val[i]);
 		}
@@ -31,8 +32,10 @@ function arrayString(val) {
 			result = result + arrayString(val[i]);
 		}
 		else
+		{
 			result = result +
-			(val[i] === null ? 'NULL' : JSON.stringify(val[i]));
+				(val[i] === null ? 'NULL' : JSON.stringify(val[i]));
+		}
 	}
 	result = result + '}';
 	return result;