diff --git a/core/llm/llms/VertexAI.ts b/core/llm/llms/VertexAI.ts
index 43aa4d6ac8..e38bd63b86 100644
--- a/core/llm/llms/VertexAI.ts
+++ b/core/llm/llms/VertexAI.ts
@@ -445,7 +445,7 @@ class VertexAI extends BaseLLM {
     }
 
     const resp = await this.fetch(
-      new URL(this.apiBase + `/publishers/google/models/${this.model}:predict`),
+      new URL(this.apiBase + `publishers/google/models/${this.model}:predict`),
       {
         method: "POST",
         body: JSON.stringify({