diff --git a/doc/doxygen/modules.txt b/doc/doxygen/modules.txt
index ababe0683b39c064eef8fb3b7fcd142e8172481a..854cb08d8afea01a1464026307be643ad4059c94 100644
--- a/doc/doxygen/modules.txt
+++ b/doc/doxygen/modules.txt
@@ -177,7 +177,7 @@
      * \ingroup FreeflowModels
      * \defgroup NavierStokesNIModel nonisothermal
      * \brief an energy equation adaptor for isothermal Navier Stokes models
-     * \copydetails ./freeflow/non-isothermal/model.hh
+     * \copydetails ./freeflow/nonisothermal/model.hh
      */
 
 /* ***************** Benchmarks and Tests ******************/