--- a/libop/op_cpu_type.c
+++ b/libop/op_cpu_type.c
@@ -609,6 +609,7 @@ static struct mips_cpu_descr mips_cpu_de
 	{ .key = "MIPS 25Kc", .value = "mips/25K" },		/* CPU_25KF */
 	{ .key = "MIPS 34Kc", .value = "mips/34K" },		/* CPU_34K */
 	{ .key = "MIPS 74Kc", .value = "mips/74K" },		/* CPU_74K */
+	{ .key = "MIPS 1004Kc", .value = "mips/1004K" },	/* CPU_1004K */
 	{ .key = "MIPS M14Kc", .value = "mips/M14Kc" },		/* CPU_M14KC */
 	{ .key = "RM9000", .value = "mips/rm9000" },		/* CPU_RM9000 */
 	{ .key = "R10000", .value = "mips/r10000" }, 		/* CPU_R10000 */