diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 4ae4345691..9e4f9c3342 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -846,6 +846,7 @@ static void decode_opc(CPURISCVState *env, DisasContext *ctx, uint16_t opcode)
         if (!has_ext(ctx, RVC)) {
             gen_exception_illegal(ctx);
         } else {
+            ctx->opcode = opcode;
             ctx->pc_succ_insn = ctx->base.pc_next + 2;
             if (!decode_insn16(ctx, opcode)) {
                 gen_exception_illegal(ctx);
@@ -856,6 +857,7 @@ static void decode_opc(CPURISCVState *env, DisasContext *ctx, uint16_t opcode)
         opcode32 = deposit32(opcode32, 16, 16,
                              translator_lduw(env, &ctx->base,
                                              ctx->base.pc_next + 2));
+        ctx->opcode = opcode32;
         ctx->pc_succ_insn = ctx->base.pc_next + 4;
         if (!decode_insn32(ctx, opcode32)) {
             gen_exception_illegal(ctx);