diff --git a/MongoView/JSONPrettyPrinter.swift b/MongoView/JSONPrettyPrinter.swift
index 7ed2b18..e992b55 100644
--- a/MongoView/JSONPrettyPrinter.swift
+++ b/MongoView/JSONPrettyPrinter.swift
@@ -64,10 +64,8 @@ class JSONPrettyPrinter {
             strings.append("\n\(currentIndent)]")
         } else if let str = object as? String {
             strings.append("\"\(escape(str))\"")
-        } else if let bool = object as? Bool {
-            strings.append(bool.description)
         } else if let num = object as? NSNumber {
-            strings.append(num.description)
+            strings.append(num.stringValue)
         } else if object is NSNull {
             strings.append("null")
         } else {