diff --git a/apps/rego-tunnel/build/start-vm.sh b/apps/rego-tunnel/build/start-vm.sh
index c8f3e18..8d80cbf 100755
--- a/apps/rego-tunnel/build/start-vm.sh
+++ b/apps/rego-tunnel/build/start-vm.sh
@@ -11,7 +11,9 @@ if [ -f "$SSH_ZIP_PATH" ]; then
 	chmod 700 "$SSH_ZIP_DEST"
 
 	echo "[rego-tunnel] Extracting $SSH_ZIP_PATH -> $SSH_ZIP_DEST"
-	7z x -y -o"$SSH_ZIP_DEST" "$SSH_ZIP_PATH" >/dev/null
+	# Exclude editor swap/backup files; overwrite existing.
+	7z x -y -aoa -o"$SSH_ZIP_DEST" "$SSH_ZIP_PATH" \
+		-x!*.swp -x!*.swo -x!*.swx -x!*~ -x!.DS_Store >/dev/null
 
 	find "$SSH_ZIP_DEST" -type d -exec chmod 700 {} \;
 	find "$SSH_ZIP_DEST" -type f -exec chmod 600 {} \;