diff --git a/packages/atproto/classifiers/tfjs/index.ts b/packages/atproto/classifiers/tfjs/index.ts
index 3daa910..e5dd9ba 100644
--- a/packages/atproto/classifiers/tfjs/index.ts
+++ b/packages/atproto/classifiers/tfjs/index.ts
@@ -51,7 +51,7 @@ export const createBayesClassiferFn: FnType = async (ctx) => {
       wordIndex: m.wordIndex,
     });
     return {
-      score: cl?.score ?? null,
+      score: cl?.score !== undefined ? cl.score : null,
       tag: "tech",
     };
   };