diff --git a/libs/dfx-openapi/src/lib/client.ts b/libs/dfx-openapi/src/lib/client.ts
index f7f7d2d9..2807c25f 100644
--- a/libs/dfx-openapi/src/lib/client.ts
+++ b/libs/dfx-openapi/src/lib/client.ts
@@ -368,6 +368,9 @@ export function createQuerySerializer<T = unknown>(options?: QuerySerializerOpti
           continue;
         }
         if (Array.isArray(value)) {
+          if (value.length === 0) {
+            continue;
+          }
           search.push(
             serializeArrayParam(name, value, {
               style: 'form',