diff --git a/DataSpec/DNAMP1/MLVL.cpp b/DataSpec/DNAMP1/MLVL.cpp
index 8b15df87e..f8ecce603 100644
--- a/DataSpec/DNAMP1/MLVL.cpp
+++ b/DataSpec/DNAMP1/MLVL.cpp
@@ -161,7 +161,7 @@ bool MLVL::Cook(const hecl::ProjectPath& outPath, const hecl::ProjectPath& inPat
          hecl::DirectoryEnumerator(area.path.getAbsolutePath(), hecl::DirectoryEnumerator::Mode::DirsSorted)) {
       hecl::SystemString layerName;
       hecl::SystemChar* endCh = nullptr;
-      hecl::StrToUl(e.m_name.c_str(), &endCh, 0);
+      hecl::StrToUl(e.m_name.c_str(), &endCh, 10);
       if (!endCh)
         layerName = hecl::StringUtils::TrimWhitespace(e.m_name);
       else