diff --git a/GPU/GPUTracking/Standalone/cmake/build.sh b/GPU/GPUTracking/Standalone/cmake/build.sh
index 8128603b6e923..aa8e95e15d3b6 100755
--- a/GPU/GPUTracking/Standalone/cmake/build.sh
+++ b/GPU/GPUTracking/Standalone/cmake/build.sh
@@ -4,9 +4,10 @@ if [[ -z $1 ]]; then
   exit 1
 fi
 set -e
+SRCPATH=$(realpath $1)
 mkdir -p standalone/build
 pushd standalone/build
-cp $1/GPU/GPUTracking/Standalone/cmake/config.cmake .
+cp $SRCPATH/GPU/GPUTracking/Standalone/cmake/config.cmake .
 if [[ $GPUCA_STANDALONE_CI == 1 ]]; then
   cat >> config.cmake << "EOF"
   set(ENABLE_CUDA 1)
@@ -17,7 +18,7 @@ if [[ $GPUCA_STANDALONE_CI == 1 ]]; then
   set(GPUCA_CONFIG_WERROR 1)
 EOF
 fi
-cmake -DCMAKE_INSTALL_PREFIX=../ $1/GPU/GPUTracking/Standalone
+cmake -DCMAKE_INSTALL_PREFIX=../ $SRCPATH/GPU/GPUTracking/Standalone
 make ${JOBS+-j $JOBS} install
 if [[ $GPUCA_STANDALONE_CI == 1 ]]; then
   cat >> config.cmake << "EOF"
diff --git a/GPU/GPUTracking/Standalone/cmake/prepare.sh b/GPU/GPUTracking/Standalone/cmake/prepare.sh
index a7b2ff1f7db35..8c5f14a1e19d4 100755
--- a/GPU/GPUTracking/Standalone/cmake/prepare.sh
+++ b/GPU/GPUTracking/Standalone/cmake/prepare.sh
@@ -11,6 +11,6 @@ else
 fi
 eval "`alienv shell-helper`"
 # alienv load O2/latest
-for i in Vc boost fmt CMake ms_gsl Clang ninja TBB ROOT ONNXRuntime GLFW; do
+for i in Vc boost fmt CMake ms_gsl Clang ninja TBB ROOT ONNXRuntime GLFW gpu-system; do
   source sw/$ALIARCH/$i/latest/etc/profile.d/init.sh
 done