diff --git a/Solver/CMakeLists.txt b/Solver/CMakeLists.txt
index efcc0f1ced387796bc3c9bef31b457db1b161c08..c34eb4aef75aaf305c2100b2201e827f58c7d8b0 100644
--- a/Solver/CMakeLists.txt
+++ b/Solver/CMakeLists.txt
@@ -10,6 +10,7 @@ set(SRC
   elasticitySolver.cpp
   SElement.cpp
   eigenSolver.cpp
+  multiscaleLaplace.cpp
   dgGroupOfElements.cpp
   dgAlgorithm.cpp
   dgConservationLawAdvection.cpp