diff --git a/tests/python_client/testcases/indexes/idx_hnsw.py b/tests/python_client/testcases/indexes/idx_hnsw.py
index 8d350d6959..5174b626f2 100644
--- a/tests/python_client/testcases/indexes/idx_hnsw.py
+++ b/tests/python_client/testcases/indexes/idx_hnsw.py
@@ -3,12 +3,14 @@ from common import common_type as ct
 
 success = "success"
 
+
 class HNSW:
     supported_vector_types = [
         DataType.FLOAT_VECTOR,
         DataType.FLOAT16_VECTOR,
         DataType.BFLOAT16_VECTOR,
-        DataType.INT8_VECTOR
+        DataType.INT8_VECTOR,
+        DataType.BINARY_VECTOR
     ]
 
     supported_metrics = ['L2', 'IP', 'COSINE']
diff --git a/tests/python_client/testcases/test_index.py b/tests/python_client/testcases/test_index.py
index d6f7c15ed5..bb03d939e3 100644
--- a/tests/python_client/testcases/test_index.py
+++ b/tests/python_client/testcases/test_index.py
@@ -1046,12 +1046,13 @@ class TestNewIndexBinary(TestcaseBase):
         c_name = cf.gen_unique_str(prefix)
         collection_w = self.init_collection_wrap(name=c_name, schema=default_binary_schema)
         binary_index_params = {'index_type': 'HNSW', "M": '18', "efConstruction": '240', 'metric_type': metric_type}
-        error = {ct.err_code: 999, ct.err_msg: f"binary vector index does not support metric type: {metric_type}"}
         if metric_type in ["JACCARD", "HAMMING"]:
-            error = {ct.err_code: 999, ct.err_msg: f"data type BinaryVector can't build with this index HNSW"}
-        collection_w.create_index(default_binary_vec_field_name, binary_index_params,
-                                  check_task=CheckTasks.err_res,
-                                  check_items=error)
+            collection_w.create_index(default_binary_vec_field_name, binary_index_params)
+        else:
+            error = {ct.err_code: 999, ct.err_msg: f"binary vector index does not support metric type: {metric_type}"}
+            collection_w.create_index(default_binary_vec_field_name, binary_index_params,
+                                      check_task=CheckTasks.err_res,
+                                      check_items=error)
 
     @pytest.mark.tags(CaseLabel.L2)
     @pytest.mark.parametrize("metric", ct.binary_metrics)