diff --git a/MathLib/CMakeLists.txt b/MathLib/CMakeLists.txt
index 8a8b224fcea564e75d9bfa73b76a702ed20b6a17..47b12d73e5b7f08e55261e5f249fc17bfe6c2e5e 100644
--- a/MathLib/CMakeLists.txt
+++ b/MathLib/CMakeLists.txt
@@ -27,23 +27,23 @@ GET_SOURCE_FILES(SOURCES_ODE ODE)
 set(SOURCES ${SOURCES} ${SOURCES_ODE})
 
 if(OGS_USE_EIGEN)
-    GET_SOURCE_FILES(SOURCES_LINALG_EIGEN LinAlg/Eigen)
-    set(SOURCES ${SOURCES} ${SOURCES_LINALG_EIGEN})
+	GET_SOURCE_FILES(SOURCES_LINALG_EIGEN LinAlg/Eigen)
+	set(SOURCES ${SOURCES} ${SOURCES_LINALG_EIGEN})
 endif()
 
 if(OGS_USE_LIS)
-    GET_SOURCE_FILES(SOURCES_LINALG_LIS LinAlg/Lis)
-    set(SOURCES ${SOURCES} ${SOURCES_LINALG_LIS})
+	GET_SOURCE_FILES(SOURCES_LINALG_LIS LinAlg/Lis)
+	set(SOURCES ${SOURCES} ${SOURCES_LINALG_LIS})
 endif()
 
 if(OGS_USE_EIGEN AND OGS_USE_LIS)
-    GET_SOURCE_FILES(SOURCES_LINALG_EIGENLIS LinAlg/EigenLis)
-    set(SOURCES ${SOURCES} ${SOURCES_LINALG_EIGENLIS})
+	GET_SOURCE_FILES(SOURCES_LINALG_EIGENLIS LinAlg/EigenLis)
+	set(SOURCES ${SOURCES} ${SOURCES_LINALG_EIGENLIS})
 endif()
 
 if(OGS_USE_PETSC)
-    GET_SOURCE_FILES(SOURCES_LINALG_PETSC LinAlg/PETSc)
-    set(SOURCES ${SOURCES} ${SOURCES_LINALG_PETSC})
+	GET_SOURCE_FILES(SOURCES_LINALG_PETSC LinAlg/PETSc)
+	set(SOURCES ${SOURCES} ${SOURCES_LINALG_PETSC})
 endif()
 
 if(METIS_FOUND)
@@ -86,7 +86,7 @@ if (OGS_USE_PETSC)
 endif()
 
 if(TARGET Boost)
-    add_dependencies(MathLib Boost)
+	add_dependencies(MathLib Boost)
 endif()
 if(TARGET Eigen)
 	add_dependencies(MathLib Eigen)