diff --git a/Solver/CMakeLists.txt b/Solver/CMakeLists.txt
index 36cfcd598098b469ca967acfc717416907c83c0f..d46d31bcdcf10697d159d3754c6110a10fa96bf8 100644
--- a/Solver/CMakeLists.txt
+++ b/Solver/CMakeLists.txt
@@ -7,6 +7,7 @@ set(SRC
   linearSystem.cpp
   linearSystemCSR.cpp
   linearSystemPETSc.cpp
+  linearSystemMUMPS.cpp
   dofManager.cpp
   groupOfElements.cpp
   elasticityTerm.cpp