diff --git a/langchain-core/src/callbacks/base.ts b/langchain-core/src/callbacks/base.ts
index 2dad82102fb9..9b5b051461ff 100644
--- a/langchain-core/src/callbacks/base.ts
+++ b/langchain-core/src/callbacks/base.ts
@@ -328,6 +328,10 @@ export abstract class BaseCallbackHandler
     return undefined;
   }
 
+  get lc_serializable_keys(): string[] | undefined {
+    return undefined;
+  }
+
   /**
    * The name of the serializable. Override to provide an alias or
    * to preserve the serialized module name in minified environments.
diff --git a/langchain-core/src/load/serializable.ts b/langchain-core/src/load/serializable.ts
index 5b4a1710c09a..66eb46f1892b 100644
--- a/langchain-core/src/load/serializable.ts
+++ b/langchain-core/src/load/serializable.ts
@@ -144,15 +144,15 @@ export abstract class Serializable implements SerializableInterface {
    * A manual list of keys that should be serialized.
    * If not overridden, all fields passed into the constructor will be serialized.
    */
-  get lc_serialized_keys(): string[] | undefined {
+  get lc_serializable_keys(): string[] | undefined {
     return undefined;
   }
 
   constructor(kwargs?: SerializedFields, ..._args: never[]) {
-    if (this.lc_serialized_keys !== undefined) {
+    if (this.lc_serializable_keys !== undefined) {
       this.lc_kwargs = Object.fromEntries(
         Object.entries(kwargs || {}).filter(([key]) =>
-          this.lc_serialized_keys?.includes(key)
+          this.lc_serializable_keys?.includes(key)
         )
       );
     } else {