diff --git a/scripts/lambda-bootstrap.sh b/scripts/lambda-bootstrap.sh
index c8a3a2d..2dcb618 100755
--- a/scripts/lambda-bootstrap.sh
+++ b/scripts/lambda-bootstrap.sh
@@ -175,10 +175,10 @@ for entry in "${JOBS[@]}"; do
         cmd+=("${extra_args[@]}")
     fi
 
-    # Launch in background. Each subshell cd's into repo/ for module
-    # imports; output redirected to per-job log; trainer + torch handle
-    # multi-process CUDA OK on a single A100.
-    (cd repo && "${cmd[@]}") > "$log" 2>&1 &
+    # Launch in background. PYTHONPATH is set to $PWD/repo at the top
+    # of this script so we DO NOT cd into repo/ — relative paths to
+    # data/processed/* must resolve from $HOME/cis490, not from repo/.
+    "${cmd[@]}" > "$log" 2>&1 &
     pid=$!
     PIDS+=("$pid")
     PID_TO_LABEL[$pid]="$job_label"