diff --git a/src/commercialFEM_fileList.f90 b/src/commercialFEM_fileList.f90
index d8ab6390d..371c85fd3 100644
--- a/src/commercialFEM_fileList.f90
+++ b/src/commercialFEM_fileList.f90
@@ -52,4 +52,5 @@
 #include "homogenization_mech_none.f90"
 #include "homogenization_mech_isostrain.f90"
 #include "homogenization_mech_RGC.f90"
+#include "homogenization_thermal.f90"
 #include "CPFEM.f90"