diff --git a/Jenkinsfile_numerics_mpi b/Jenkinsfile_numerics_mpi
index 8fce3aae6f6d8e200d5896b7b6cad10c24427505..3ebb1ded2e4157ceaba06915079de28d01f4a942 100644
--- a/Jenkinsfile_numerics_mpi
+++ b/Jenkinsfile_numerics_mpi
@@ -24,7 +24,7 @@ parallel (
 
                     stage ('build_centos')
                     {
-                      sh "./build.sh $WORKSPACE $NODE_NAME numerics numerics 0"
+                      sh "./build.sh $WORKSPACE $NODE_NAME numerics numerics $BRANCH_NAME"
                     }
 
                     stage ('run_gin')
@@ -65,7 +65,7 @@ parallel (
 
                     stage ('build mac')
                     {
-                      sh "./build.sh $WORKSPACE $NODE_NAME numerics numerics 0"
+                      sh "./build.sh $WORKSPACE $NODE_NAME numerics numerics $BRANCH_NAME"
                     }
 
                     stage ('run mac')
@@ -103,7 +103,7 @@ parallel (
 
                     stage ('build ubuntu')
                     {
-                      sh "./build.sh $WORKSPACE $NODE_NAME numerics numerics 0"
+                      sh "./build.sh $WORKSPACE $NODE_NAME numerics numerics $BRANCH_NAME"
                     }
 
                     stage ('run ubuntu')
diff --git a/build.sh b/build.sh
index 7f9b0f4627c09eca3b68f236ddc9bee362f465a1..cf89686329a5cfe5f4db73cee6b34b183658de09 100755
--- a/build.sh
+++ b/build.sh
@@ -14,9 +14,9 @@ echo "make target: $target"
 echo "compilation type: $comp_type"
 echo "Branch name: $branch"
 
+rm -rf $HOME/openfpm_dependencies/openfpm_pdata/0
 
 if [ x"$hostname" == x"cifarm-centos-node.mpi-cbg.de"  ]; then
-	#we retest PETSC installation
 	./install_MPI_mpich.sh $HOME/openfpm_dependencies/openfpm_pdata/$branch/ 4
 	echo 4 > $HOME/openfpm_dependencies/openfpm_pdata/$branch/MPI/version
 fi