diff --git a/scripts/Benchmarks/hpc-enviroments-setonix/install-petsc.sh b/scripts/Benchmarks/hpc-enviroments-setonix/install-petsc.sh
index 3281212..8bc68a7 100644
--- a/scripts/Benchmarks/hpc-enviroments-setonix/install-petsc.sh
+++ b/scripts/Benchmarks/hpc-enviroments-setonix/install-petsc.sh
@@ -6,7 +6,7 @@
 
 CURR_DIR=$(pwd)
 PACKAGE=petsc
-INSTALL_ROOT=MYSOFTWARE
+INSTALL_ROOT=$MYSOFTWARE
 PETSC_INSTALL=$INSTALL_ROOT/$PACKAGE/$PETSC_VERSION-$MPI_VERSION
 TAR_FILE=$PACKAGE-$PETSC_VERSION.tar.gz
 URL="https://ftp.mcs.anl.gov/pub/petsc/release-snapshots/"