diff --git a/include/spdk/nvme.h b/include/spdk/nvme.h
index 84b692fbc..1180e7fdc 100644
--- a/include/spdk/nvme.h
+++ b/include/spdk/nvme.h
@@ -1937,6 +1937,7 @@ enum spdk_nvme_ns_flags {
 							      metadata is transferred as a contiguous
 							      part of the logical block that it is associated with */
 	SPDK_NVME_NS_WRITE_UNCORRECTABLE_SUPPORTED	= 0x40, /**< The write uncorrectable command is supported */
+	SPDK_NVME_NS_COMPARE_SUPPORTED		= 0x80, /**< The compare command is supported */
 };
 
 /**
diff --git a/lib/nvme/nvme_ns.c b/lib/nvme/nvme_ns.c
index b6b6bc58b..095f0829a 100644
--- a/lib/nvme/nvme_ns.c
+++ b/lib/nvme/nvme_ns.c
@@ -83,6 +83,10 @@ nvme_ns_set_identify_data(struct spdk_nvme_ns *ns)
 		ns->flags |= SPDK_NVME_NS_DEALLOCATE_SUPPORTED;
 	}
 
+	if (ns->ctrlr->cdata.oncs.compare) {
+		ns->flags |= SPDK_NVME_NS_COMPARE_SUPPORTED;
+	}
+
 	if (ns->ctrlr->cdata.vwc.present) {
 		ns->flags |= SPDK_NVME_NS_FLUSH_SUPPORTED;
 	}