diff --git a/packages/fx-core/src/common/featureFlags.ts b/packages/fx-core/src/common/featureFlags.ts
index 3ea5a55c4f..36e503f125 100644
--- a/packages/fx-core/src/common/featureFlags.ts
+++ b/packages/fx-core/src/common/featureFlags.ts
@@ -30,7 +30,7 @@ export class FeatureFlagName {
   static readonly KiotaIntegration = "TEAMSFX_KIOTA_INTEGRATION";
   static readonly CEAEnabled = "TEAMSFX_CEA_ENABLED";
   static readonly BuilderAPIEnabled = "TEAMSFX_BUILDER_API";
-  static readonly AddKnowledge = "ADD_KNOWLEDGE";
+  static readonly AddKnowledge = "TEAMSFX_ADD_KNOWLEDGE";
 }
 
 export interface FeatureFlag {