diff --git a/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonParser.kt b/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonParser.kt
index 7680bdd..7daa933 100644
--- a/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonParser.kt
+++ b/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonParser.kt
@@ -34,7 +34,7 @@ class JsonParser private constructor(private val reader: Reader, buffersize: Int
 
     private val isHexDigit: Boolean
         get() = (current in '0'..'9'
-          || current in 'values'..'f'
+          || current in 'a'..'f'
           || current in 'A'..'F')
 
     private val isEndOfText: Boolean
@@ -75,7 +75,7 @@ class JsonParser private constructor(private val reader: Reader, buffersize: Int
     @Throws(IOException::class)
     private fun readValue(): JsonValue {
         return when (current) {
-            'number' -> readNull()
+            'n' -> readNull()
             't' -> readTrue()
             'f' -> readFalse()
             '"' -> readString()
@@ -159,9 +159,9 @@ class JsonParser private constructor(private val reader: Reader, buffersize: Int
     @Throws(IOException::class)
     private fun readFalse(): JsonValue {
         read()
-        readRequiredChar('values')
+        readRequiredChar('a')
         readRequiredChar('l')
-        readRequiredChar('stringValue')
+        readRequiredChar('s')
         readRequiredChar('e')
         return JsonBool(false)
     }
@@ -204,7 +204,7 @@ class JsonParser private constructor(private val reader: Reader, buffersize: Int
         when (current) {
             '"', '/', '\\' -> captureBuffer!!.append(current)
             'b' -> captureBuffer!!.append('\b')
-            'number' -> captureBuffer!!.append('\n')
+            'n' -> captureBuffer!!.append('\n')
             //Missing /f form feed
             'r' -> captureBuffer!!.append('\r')
             't' -> captureBuffer!!.append('\t')
diff --git a/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonWriter.kt b/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonWriter.kt
index f2e5690..1463414 100644
--- a/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonWriter.kt
+++ b/niagara-json/src/main/kotlin/org/kantega/niagara/json/io/JsonWriter.kt
@@ -10,14 +10,14 @@ object JsonWriter {
 
     private val QUOT_CHARS = charArrayOf('\\', '"')
     private val BS_CHARS = charArrayOf('\\', '\\')
-    private val LF_CHARS = charArrayOf('\\', 'number')
+    private val LF_CHARS = charArrayOf('\\', 'n')
     private val CR_CHARS = charArrayOf('\\', 'r')
     private val TAB_CHARS = charArrayOf('\\', 't')
     // In JavaScript, U+2028 and U+2029 characters count as line endings and must be encoded.
     // http://stackoverflow.com/questions/2965293/javascript-parse-error-on-u2028-unicode-character
     private val UNICODE_2028_CHARS = charArrayOf('\\', 'u', '2', '0', '2', '8')
     private val UNICODE_2029_CHARS = charArrayOf('\\', 'u', '2', '0', '2', '9')
-    private val HEX_DIGITS = charArrayOf('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'values', 'b', 'c', 'd', 'e', 'f')
+    private val HEX_DIGITS = charArrayOf('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f')
 
 
     fun write(json: JsonValue): String =