diff --git a/src/oneD/StFlow.cpp b/src/oneD/StFlow.cpp
index 69bf51985c..f2b9084d3c 100644
--- a/src/oneD/StFlow.cpp
+++ b/src/oneD/StFlow.cpp
@@ -153,7 +153,7 @@ void StFlow::resetBadValues(double* xg)
 void StFlow::setTransport(Transport& trans)
 {
     m_trans = &trans;
-    m_do_multicomponent = (m_trans->transportType() == "Multi");
+    m_do_multicomponent = (m_trans->transportType() == "Multi" || m_trans->transportType() == "CK_Multi");
 
     m_diff.resize(m_nsp*m_points);
     if (m_do_multicomponent) {