diff --git a/source/adios2/engine/sst/SstParamParser.cpp b/source/adios2/engine/sst/SstParamParser.cpp
index 85e09f2d9d..5c928bdde3 100644
--- a/source/adios2/engine/sst/SstParamParser.cpp
+++ b/source/adios2/engine/sst/SstParamParser.cpp
@@ -117,7 +117,7 @@ void SstParamParser::ParseParams(IO &io, struct _SstParams &Params)
     // not really a parameter, but a convenient way to pass this around
     auto lf_SetIsRowMajorParameter = [&](const std::string key,
                                          int &parameter) {
-        parameter = (io.m_ArrayOrder == ArrayOrdering::RowMajor);
+        parameter = (io.m_ArrayOrder == adios2::ArrayOrdering::RowMajor);
         return true;
     };