diff --git a/describetable.go b/describetable.go
index d6d4892..e37cf4c 100644
--- a/describetable.go
+++ b/describetable.go
@@ -198,7 +198,7 @@ func newDescription(table *types.TableDescription) Description {
 			sseDesc.InaccessibleEncryptionDateTime = *table.SSEDescription.InaccessibleEncryptionDateTime
 		}
 		if table.SSEDescription.KMSMasterKeyArn != nil {
-			sseDesc.KMSMasterKeyArn = *table.SSEDescription.KMSMasterKeyArn
+			sseDesc.KMSMasterKeyARN = *table.SSEDescription.KMSMasterKeyArn
 		}
 		if table.SSEDescription.SSEType != "" {
 			sseDesc.SSEType = table.SSEDescription.SSEType
diff --git a/sse.go b/sse.go
index ec76536..9495455 100644
--- a/sse.go
+++ b/sse.go
@@ -18,7 +18,7 @@ const (
 
 type SSEDescription struct {
 	InaccessibleEncryptionDateTime time.Time
-	KMSMasterKeyArn                string
+	KMSMasterKeyARN                string
 	SSEType                        types.SSEType
 	Status                         types.SSEStatus
 }