diff --git a/packages/core/src/embeddings/DeepInfraEmbedding.ts b/packages/core/src/embeddings/DeepInfraEmbedding.ts
index 59f1c827e4ff166526b94fae3ba9e6d22c8546c1..0cd9366c6c17e96f09689b0b4859a39091466161 100644
--- a/packages/core/src/embeddings/DeepInfraEmbedding.ts
+++ b/packages/core/src/embeddings/DeepInfraEmbedding.ts
@@ -27,7 +27,7 @@ export interface InferenceStatus {
 }
 
 const mapPrefixWithInputs = (prefix: string, inputs: string[]): string[] => {
-  return inputs.map((input) => `${prefix} ${input}`);
+  return inputs.map((input) => (prefix ? `${prefix} ${input}` : input));
 };
 
 /**