diff --git a/dis.c b/dis.c
index 3daaa90..a62fd4c 100644
--- a/dis.c
+++ b/dis.c
@@ -477,7 +477,11 @@ int dis_decode(const uint8_t *code, address_t offset, address_t len,
 			insn->dsize = (op & 0x0100) ?
 				MSP430_DSIZE_WORD : MSP430_DSIZE_AWORD;
 			ret = 2;
-		} else if ((op & 0xf000) == 0x1000) {
+		} else if ((op & 0xff80) == 0x1300) {
+			insn->itype = MSP430_ITYPE_NOARG;
+			insn->op = MSP430_OP_RETI;
+			ret = 2;
+		} else if ((op & 0xf000) == 0x1000 && (op & 0xfc00) < 0x1300) {
 			insn->itype = MSP430_ITYPE_SINGLE;
 			ret = decode_single(code, offset, len, insn);
 		} else if ((op & 0xff00) >= 0x2000 &&
diff --git a/dis.h b/dis.h
index 1722deb..62d35bf 100644
--- a/dis.h
+++ b/dis.h
@@ -107,8 +107,8 @@ typedef enum {
  *    data[15:0], {12'b0, data[19:16]}
  */
 typedef enum {
+	MSP430_DSIZE_WORD = 0,
 	MSP430_DSIZE_BYTE,
-	MSP430_DSIZE_WORD,
 	MSP430_DSIZE_AWORD,
 	MSP430_DSIZE_UNKNOWN
 } msp430_dsize_t;