diff --git a/install-systemd.sh b/install-systemd.sh
index 8b1f06a..0bde697 100755
--- a/install-systemd.sh
+++ b/install-systemd.sh
@@ -22,8 +22,8 @@ if [[ ! -f "${SERVICE_SRC}" ]]; then
   exit 1
 fi
 
-echo "[1/6] Build release binary ..."
-sudo -u "${BUILD_USER}" cargo build --release --manifest-path "${PROJECT_DIR}/Cargo.toml"
+echo "[1/7] Build release binary ..."
+sudo -u "${BUILD_USER}" bash -lc "cd '${PROJECT_DIR}' && cargo build --release --manifest-path '${PROJECT_DIR}/Cargo.toml'"
 
 if [[ ! -x "${BIN_PATH}" ]]; then
   echo "Binary wurde nicht erzeugt: ${BIN_PATH}" >&2