diff --git a/velox/dwio/common/Options.cpp b/velox/dwio/common/Options.cpp
index 32672da0d88d9..494d93cd21701 100644
--- a/velox/dwio/common/Options.cpp
+++ b/velox/dwio/common/Options.cpp
@@ -36,8 +36,8 @@ FileFormat toFileFormat(std::string s) {
     return FileFormat::JSON;
   } else if (s == "parquet") {
     return FileFormat::PARQUET;
-  } else if (s == "alpha") {
-    return FileFormat::ALPHA;
+  } else if (s == "nimble") {
+    return FileFormat::NIMBLE;
   } else if (s == "orc") {
     return FileFormat::ORC;
   }
@@ -60,8 +60,8 @@ std::string toString(FileFormat fmt) {
       return "json";
     case FileFormat::PARQUET:
       return "parquet";
-    case FileFormat::ALPHA:
-      return "alpha";
+    case FileFormat::NIMBLE:
+      return "nimble";
     case FileFormat::ORC:
       return "orc";
     default:
diff --git a/velox/dwio/common/Options.h b/velox/dwio/common/Options.h
index 1b54eadf940c9..64566f3a1af95 100644
--- a/velox/dwio/common/Options.h
+++ b/velox/dwio/common/Options.h
@@ -45,7 +45,11 @@ enum class FileFormat {
   TEXT = 5,
   JSON = 6,
   PARQUET = 7,
+#ifdef VELOX_ENABLE_BACKWARD_COMPATIBILITY
   ALPHA = 8,
+#else
+  NIMBLE = 8,
+#endif
   ORC = 9,
 };