diff --git a/src/ripple/json/impl/json_reader.cpp b/src/ripple/json/impl/json_reader.cpp
index e4124e9bc8f..299accd84a8 100644
--- a/src/ripple/json/impl/json_reader.cpp
+++ b/src/ripple/json/impl/json_reader.cpp
@@ -922,10 +922,8 @@ Reader::getLocationLineAndColumn(Location location) const
 {
     int line, column;
     getLocationLineAndColumn(location, line, column);
-    constexpr std::size_t n = 18 + 16 + 16 + 1;
-    char buffer[n];
-    snprintf(buffer, n, "Line %d, Column %d", line, column);
-    return buffer;
+    return "Line " + std::to_string(line) + ", Column " +
+        std::to_string(column);
 }
 
 std::string