diff --git a/Cantera/cxx/cxxutils.cpp b/Cantera/cxx/src/cxxutils.cpp
similarity index 100%
rename from Cantera/cxx/cxxutils.cpp
rename to Cantera/cxx/src/cxxutils.cpp
diff --git a/Cantera/cxx/writelog.cpp b/Cantera/cxx/src/writelog.cpp
similarity index 100%
rename from Cantera/cxx/writelog.cpp
rename to Cantera/cxx/src/writelog.cpp