2 files changed, 3 insertions, 3 deletions
diff --git a/lib/xml/reader.js b/lib/xml/reader.js
index 6189851..67b69be 100644
--- a/lib/xml/reader.js
+++ b/lib/xml/reader.js
@@ -35,11 +35,11 @@ function readString(xmlString, namespaceMap) {
             var mappedPrefix = namespaceMap[node.uri];
             var prefix;
             if (mappedPrefix) {
-                prefix = mappedPrefix;
+                prefix = mappedPrefix + ":";
             } else {
                 prefix = "{" + node.uri + "}";
             }
-            return prefix + ":" + node.local;
+            return prefix + node.local;
         } else {
             return node.local;
         }
diff --git a/lib/xml/writer.js b/lib/xml/writer.js
index 9bf8c35..0c44982 100644
--- a/lib/xml/writer.js
+++ b/lib/xml/writer.js
@@ -25,7 +25,7 @@ function writeString(root, namespaces) {
     }
     
     function mapElementName(name) {
-        var longFormMatch = /^\{(.*)\}:(.*)$/.exec(name);
+        var longFormMatch = /^\{(.*)\}(.*)$/.exec(name);
         if (longFormMatch) {
             var prefix = uriToPrefix[longFormMatch[1]];
             return prefix + (prefix === "" ? "" : ":") + longFormMatch[2];