diff --git a/nightly/conf/georgia-tech-cellbuzz.conf b/nightly/conf/georgia-tech-cellbuzz.conf
index 8a23ce947..9561b37fe 100644
--- a/nightly/conf/georgia-tech-cellbuzz.conf
+++ b/nightly/conf/georgia-tech-cellbuzz.conf
@@ -10,8 +10,8 @@ ABT_JOBS=3
 
 cellbuzz_run_regtest() {
   cd valgrind || return $?
-  VGDIR=$PWD
-  jobid=`echo "{ cd $VGDIR && perl tests/vg_regtest --all; } >$VGDIR/regtest-output.txt 2>&1" \
+  rm -f regtest-output.txt
+  jobid=`echo "{ cd $PWD && perl tests/vg_regtest --all; } >& $PWD/regtest-output.txt" \
          | /usr/pbs/bin/qsub`
   echo "Job ID = ${jobid}"
   while [ `/usr/pbs/bin/qstat "${jobid}" 2>/dev/null | wc --lines` -gt 0 ]