diff --git a/src/server/search/search_family_test.cc b/src/server/search/search_family_test.cc
index 82fbc3e71..4929ba780 100644
--- a/src/server/search/search_family_test.cc
+++ b/src/server/search/search_family_test.cc
@@ -2722,4 +2722,21 @@ TEST_F(SearchFamilyTest, JsonWithNullFields) {
               AreDocIds("doc:1", "doc:2"));
 }
 
+TEST_F(SearchFamilyTest, TestVectorIndexPtrValidity) {
+  const uint32_t MY_UINT16_MAX = 65535;
+  const uint32_t M = MY_UINT16_MAX + 1;
+  const uint32_t dim = 4;
+
+  EXPECT_EQ(
+      Run({"FT.CREATE", "idx", "SCHEMA", "n", "NUMERIC", "v", "VECTOR", "HNSW", "8", "TYPE",
+           "FLOAT16", "DIM", absl::StrCat(dim), "DISTANCE_METRIC", "L2", "M", absl::StrCat(M)}),
+      "OK");
+
+  auto res = Run({"HSET", "doc", "n", "0"});
+  EXPECT_EQ(res, "1");
+
+  res = Run({"HSET", "doc", "n", "1"});
+  EXPECT_EQ(res, "0");
+}
+
 }  // namespace dfly