diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 2759eb2d81171d8561294703438cdc2b791f1250..96b3699e7481b098be38cb27e6f6f8ccf1d8e423 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -3759,6 +3759,7 @@ GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE)
     }
     EA = tcg_temp_new(TCG_TYPE_TL);
     gen_addr_reg_index(EA, ctx);
+    val = tcg_temp_new(TCG_TYPE_TL);
     /* XXX: specification says this should be treated as a store by the MMU */
     gen_qemu_ld8u(val, EA, ctx->mem_idx);
     gen_qemu_st8(val, EA, ctx->mem_idx);