diff --git a/src/Compiler/CInit.ZC b/src/Compiler/CInit.ZC
index 54c7ae52..ba50e39d 100755
--- a/src/Compiler/CInit.ZC
+++ b/src/Compiler/CInit.ZC
@@ -1,26 +1,27 @@
-#define INTERNAL_TYPES_NUM	17
+#define INTERNAL_TYPES_NUM	18
 
 class CInternalType
 {
 	U8 type, size, name[8];
 } internal_types_table[INTERNAL_TYPES_NUM] = {
-	{RT_I0,  0, "I0i"},
-	{RT_I0,  0, "I0"},
-	{RT_U0,  0, "U0i"},
-	{RT_U0,  0, "U0"},
-	{RT_I8,  1, "I8i"},
-	{RT_I8,  1, "I8"},
-	{RT_I8,  1, "Bool"},
-	{RT_U8,  1, "U8i"},
-	{RT_U8,  1, "U8"},
-	{RT_I16, 2, "I16i"},
-	{RT_U16, 2, "U16i"},
-	{RT_I32, 4, "I32i"},
-	{RT_U32, 4, "U32i"},
-	{RT_I64, 8, "I64i"},
-	{RT_U64, 8, "U64i"},
-	{RT_F64, 8, "F64i"},
-	{RT_F64, 8, "F64"},
+	{RT_I0,		0,	"I0i"},
+	{RT_I0,		0,	"I0"},
+	{RT_U0,		0,	"U0i"},
+	{RT_U0,		0,	"U0"},
+	{RT_I8,		1,	"I8i"},
+	{RT_I8,		1,	"I8"},
+	{RT_I8,		1,	"Bool"},
+	{RT_U8,		1,	"U8i"},
+	{RT_U8,		1,	"U8"},
+	{RT_I16,	2,	"I16i"},
+	{RT_U16,	2,	"U16i"},
+	{RT_I32,	4,	"I32i"},
+	{RT_U32,	4,	"U32i"},
+	{RT_I64,	8,	"I64i"},
+	{RT_U64,	8,	"U64i"},
+	{RT_F64,	8,	"F64i"},
+	{RT_F64,	8,	"F64"},
+	{RT_U128,	16,	"U128i"}
 };
 
 CIntermediateStruct intermediate_code_table[IC_ICS_NUM] = {
@@ -230,7 +231,8 @@ U0 CompLoadDefines()
 					"F32\0"
 					"UF32\0"
 					"F64\0"
-					"UF64\0");
+					"UF64\0"
+					"U128\0");
 
 	DefineListLoad("ST_NATURAL_TYPES",
 					"I8\0"
diff --git a/src/Kernel/KernelA.HH b/src/Kernel/KernelA.HH
index 9444724d..739e60ad 100755
--- a/src/Kernel/KernelA.HH
+++ b/src/Kernel/KernelA.HH
@@ -110,6 +110,17 @@ I64i union I64
 	U32	u32[2];
 };
 
+U128i union U128
+{
+	I8i	i8[16];
+	U8i	u8[16];
+	I16	i16[8];
+	U16	u16[8];
+	I32	i32[4];
+	U32	u32[4];
+	U64 u64[2];
+	I64 i64[2];
+};
 #help_index "Math/Complex;Data Types/Complex"
 public class Complex
 {
@@ -1708,7 +1719,8 @@ public class CAutoCompleteDictGlobals
 #define RT_UF32 		13 //Not implemented, Fictitious
 #define RT_F64			14
 #define RT_UF64 		15 //Fictitious
-#define RT_RTS_NUM		16
+#define RT_U128 		16
+#define RT_RTS_NUM		17
 #define RTF_UNSIGNED	1
 #define RTG_MASK		0xFF