diff --git a/.aux/test_with_lcg b/.aux/test_with_lcg
index e0ee9fa3..dd5c4dc1 100755
--- a/.aux/test_with_lcg
+++ b/.aux/test_with_lcg
@@ -4,5 +4,5 @@ CMTCONFIG=$2
 source /cvmfs/sft.cern.ch/lcg/views/${LCG}/${CMTCONFIG}/setup.sh
 source build/INSTALL/thisostap.sh 
 cd build 
-ctest -N  && cmake .. -DCMAKE_INSTALL_PREFIX=./INSTALL/ && ctest -j10  --output-on-failure
+ctest -N  && cmake .. -DCMAKE_INSTALL_PREFIX=./INSTALL/ && ctest -j3  --output-on-failure