diff --git a/utils/funcexp/func_json_value.cpp b/utils/funcexp/func_json_value.cpp
index c05a010aa..9fa6d0cde 100644
--- a/utils/funcexp/func_json_value.cpp
+++ b/utils/funcexp/func_json_value.cpp
@@ -64,8 +64,7 @@ bool JSONPathWrapper::extract(std::string& ret, rowgroup::Row& row, execplan::SP
   bool isNullJS = false, isNullPath = false;
 
   const string js = funcParamJS->data()->getStrVal(row, isNullJS).safeString("");
-  const string sjsp = funcParamPath->data()->getStrVal(row, isNullPath).safeString("");
-  const string_view jsp = sjsp;
+  const utils::NullString& sjsp = funcParamPath->data()->getStrVal(row, isNullPath);
   if (isNullJS || isNullPath)
     return true;
 
@@ -79,8 +78,8 @@ bool JSONPathWrapper::extract(std::string& ret, rowgroup::Row& row, execplan::SP
       constant = (constCol != nullptr);
     }
 
-    if (isNullPath || json_path_setup(&p, getCharset(funcParamPath), (const uchar*)jsp.data(),
-                                      (const uchar*)jsp.data() + jsp.size()))
+    if (isNullPath || json_path_setup(&p, getCharset(funcParamPath), (const uchar*)sjsp.str(),
+                                      (const uchar*)sjsp.end()))
       return true;
 
     parsed = constant;