diff --git a/include/spdk/idxd.h b/include/spdk/idxd.h
index b622aad93..4a84f6539 100644
--- a/include/spdk/idxd.h
+++ b/include/spdk/idxd.h
@@ -339,7 +339,7 @@ int spdk_idxd_submit_fill(struct spdk_idxd_io_channel *chan,
  *
  * \param chan IDXD channel to submit request.
  * \param batch Handle provided when the batch was started with spdk_idxd_batch_create().
- * \param dst Resulting calculation.
+ * \param crc_dst Resulting calculation.
  * \param src Source virtual address.
  * \param seed Four byte CRC-32C seed value.
  * \param nbytes Number of bytes to calculate on.
@@ -350,7 +350,7 @@ int spdk_idxd_submit_fill(struct spdk_idxd_io_channel *chan,
  * \return 0 on success, negative errno on failure.
  */
 int spdk_idxd_batch_prep_crc32c(struct spdk_idxd_io_channel *chan, struct idxd_batch *batch,
-				uint32_t *dst, void *src, uint32_t seed, uint64_t nbytes,
+				uint32_t *crc_dst, void *src, uint32_t seed, uint64_t nbytes,
 				spdk_idxd_req_cb cb_fn, void *cb_arg);
 
 /**
diff --git a/lib/idxd/idxd.c b/lib/idxd/idxd.c
index 72da96ea6..c27091664 100644
--- a/lib/idxd/idxd.c
+++ b/lib/idxd/idxd.c
@@ -972,12 +972,12 @@ spdk_idxd_batch_prep_dualcast(struct spdk_idxd_io_channel *chan, struct idxd_bat
 
 int
 spdk_idxd_batch_prep_crc32c(struct spdk_idxd_io_channel *chan, struct idxd_batch *batch,
-			    uint32_t *dst, void *src, uint32_t seed, uint64_t nbytes,
+			    uint32_t *crc_dst, void *src, uint32_t seed, uint64_t nbytes,
 			    spdk_idxd_req_cb cb_fn, void *cb_arg)
 {
 	struct idxd_hw_desc *desc;
 	struct idxd_comp *comp;
-	uint64_t src_addr, dst_addr;
+	uint64_t src_addr;
 	int rc;
 
 	/* Common prep. */
@@ -991,18 +991,14 @@ spdk_idxd_batch_prep_crc32c(struct spdk_idxd_io_channel *chan, struct idxd_batch
 		return rc;
 	}
 
-	rc = _vtophys(dst, &dst_addr, nbytes);
-	if (rc) {
-		return rc;
-	}
-
 	/* Command specific. */
 	desc->opcode = IDXD_OPCODE_CRC32C_GEN;
-	desc->dst_addr = dst_addr;
+	desc->dst_addr = 0; /* per specification */
 	desc->src_addr = src_addr;
 	desc->flags &= IDXD_CLEAR_CRC_FLAGS;
 	desc->crc32c.seed = seed;
 	desc->xfer_size = nbytes;
+	comp->crc_dst = crc_dst;
 
 	return 0;
 }