diff --git a/src/constants.cpp b/src/constants.cpp
index d4feec9f..ee13e0b0 100644
--- a/src/constants.cpp
+++ b/src/constants.cpp
@@ -101,33 +101,33 @@ namespace charsets
 	const string::value_type* const ISO8859_15 = "iso-8859-15";
 	const string::value_type* const ISO8859_16 = "iso-8859-16";
 
-	const string::value_type* const CP_437 = "cp-437";
-	const string::value_type* const CP_737 = "cp-737";
-	const string::value_type* const CP_775 = "cp-775";
-	const string::value_type* const CP_850 = "cp-850";
-	const string::value_type* const CP_852 = "cp-852";
-	const string::value_type* const CP_853 = "cp-853";
-	const string::value_type* const CP_855 = "cp-855";
-	const string::value_type* const CP_857 = "cp-857";
-	const string::value_type* const CP_858 = "cp-858";
-	const string::value_type* const CP_860 = "cp-860";
-	const string::value_type* const CP_861 = "cp-861";
-	const string::value_type* const CP_862 = "cp-862";
-	const string::value_type* const CP_863 = "cp-863";
-	const string::value_type* const CP_864 = "cp-864";
-	const string::value_type* const CP_865 = "cp-865";
-	const string::value_type* const CP_866 = "cp-866";
-	const string::value_type* const CP_869 = "cp-869";
-	const string::value_type* const CP_874 = "cp-874";
-	const string::value_type* const CP_1125 = "cp-1125";
-	const string::value_type* const CP_1250 = "cp-1250";
-	const string::value_type* const CP_1251 = "cp-1251";
-	const string::value_type* const CP_1252 = "cp-1252";
-	const string::value_type* const CP_1253 = "cp-1253";
-	const string::value_type* const CP_1254 = "cp-1254";
-	const string::value_type* const CP_1255 = "cp-1255";
-	const string::value_type* const CP_1256 = "cp-1256";
-	const string::value_type* const CP_1257 = "cp-1257";
+	const string::value_type* const CP_437 = "cp437";
+	const string::value_type* const CP_737 = "cp737";
+	const string::value_type* const CP_775 = "cp775";
+	const string::value_type* const CP_850 = "cp850";
+	const string::value_type* const CP_852 = "cp852";
+	const string::value_type* const CP_853 = "cp853";
+	const string::value_type* const CP_855 = "cp855";
+	const string::value_type* const CP_857 = "cp857";
+	const string::value_type* const CP_858 = "cp858";
+	const string::value_type* const CP_860 = "cp860";
+	const string::value_type* const CP_861 = "cp861";
+	const string::value_type* const CP_862 = "cp862";
+	const string::value_type* const CP_863 = "cp863";
+	const string::value_type* const CP_864 = "cp864";
+	const string::value_type* const CP_865 = "cp865";
+	const string::value_type* const CP_866 = "cp866";
+	const string::value_type* const CP_869 = "cp869";
+	const string::value_type* const CP_874 = "cp874";
+	const string::value_type* const CP_1125 = "cp1125";
+	const string::value_type* const CP_1250 = "cp1250";
+	const string::value_type* const CP_1251 = "cp1251";
+	const string::value_type* const CP_1252 = "cp1252";
+	const string::value_type* const CP_1253 = "cp1253";
+	const string::value_type* const CP_1254 = "cp1254";
+	const string::value_type* const CP_1255 = "cp1255";
+	const string::value_type* const CP_1256 = "cp1256";
+	const string::value_type* const CP_1257 = "cp1257";
 
 	const string::value_type* const US_ASCII = "us-ascii";