diff --git a/build/build-iso.sh b/build/build-iso.sh
index 2f29a57..162d536 100755
--- a/build/build-iso.sh
+++ b/build/build-iso.sh
@@ -37,8 +37,9 @@ for cmd in livemedia-creator ksvalidator mksquashfs xorriso; do
     }
 done
 
-# ── Clean stale build dirs ──
-rm -rf "$OUT_DIR/build-${DATE}" /tmp/veilor-lmc
+# ── Clean stale build dirs (resultdir only — let lmc manage own tmp) ──
+rm -rf "$OUT_DIR/build-${DATE}"
+mkdir -p /tmp/veilor-lmc
 
 # ── Build ISO ──
 livemedia-creator \