diff --git a/target/mips/translate.c b/target/mips/translate.c
index 8ab0a96a34..ad09321de8 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -1464,7 +1464,6 @@ enum {
  */
 
 enum {
-    OPC__MXU_MUL     = 0x02,
     OPC_MXU__POOL00  = 0x03,
     OPC_MXU_D16MUL   = 0x08,
     OPC_MXU_D16MAC   = 0x0A,
@@ -25784,7 +25783,7 @@ static void decode_opc_mxu(DisasContext *ctx, uint32_t insn)
 {
     uint32_t opcode = extract32(insn, 0, 6);
 
-    if (opcode == OPC__MXU_MUL) {
+    if (MASK_SPECIAL2(insn) == OPC_MUL) {
         uint32_t  rs, rt, rd, op1;
 
         rs = extract32(insn, 21, 5);