diff --git a/AMDiS/src/DOFMatrix.cc b/AMDiS/src/DOFMatrix.cc
index 7d4a579cd617fc45cf23a55a40082f0800e49093..946d1e5873be465fef9f5c39e0c042ebca8c6532 100644
--- a/AMDiS/src/DOFMatrix.cc
+++ b/AMDiS/src/DOFMatrix.cc
@@ -218,7 +218,7 @@ namespace AMDiS {
 
   void DOFMatrix::freeDOFContent(int index)
   {
-      if (matrix.nnz() == 0) return;
+    if (matrix.nnz() == 0) return;
 
     using mtl::tag::major; using mtl::tag::nz; using mtl::begin; using mtl::end;
     namespace traits= mtl::traits;
diff --git a/AMDiS/src/ProblemVec.cc b/AMDiS/src/ProblemVec.cc
index a0a5e6f814a9b8980732a4c5b04d03bd7ce736b8..6fa3e61e818c1c48e484666ccb86ff3c6e0ece93 100644
--- a/AMDiS/src/ProblemVec.cc
+++ b/AMDiS/src/ProblemVec.cc
@@ -797,8 +797,14 @@ namespace AMDiS {
  	if ((*systemMatrix)[i][j]) 
  	  (*systemMatrix)[i][j]->finishInsertion();
 
+    clock_t first1 = clock();
     solverMatrix.setMatrix(*systemMatrix);
+    clock_t first2 = clock();
     createPrecon();
+    clock_t first3 = clock();
+
+    std::cout << "T1 = " << TIME_USED(first1, first2) << std::endl;
+    std::cout << "T2 = " << TIME_USED(first2, first3) << std::endl;
 
 #ifdef _OPENMP
     INFO(info, 8)("buildAfterCoarsen needed %.5f seconds system time / %.5f seconds wallclock time\n",