diff --git a/src/level_set/redistancing_Sussman/HelpFunctionsForGrid.hpp b/src/level_set/redistancing_Sussman/HelpFunctionsForGrid.hpp
index 23e3de56b58cf61e15f65784ab0b76910755da89..2678679613a40d2374cdd4c295da5a9fe23b3a64 100644
--- a/src/level_set/redistancing_Sussman/HelpFunctionsForGrid.hpp
+++ b/src/level_set/redistancing_Sussman/HelpFunctionsForGrid.hpp
@@ -16,6 +16,8 @@
 #include <limits>
 
 #include "HelpFunctions.hpp"
+#include "VCluster/VCluster.hpp"
+#include "Grid/grid_dist_id.hpp"
 
 /**@brief Computes the time step for the iterative re-distancing fulfilling CFL condition.
  *