diff --git a/scripts/run b/scripts/run
index 58da1d27..99bdd9e5 100755
--- a/scripts/run
+++ b/scripts/run
@@ -104,7 +104,9 @@ run() {
     )
 
     tar -xf "$TAR_FILE" -C "$TMPDIR"
-    "${TMPDIR}/${FILE_BASENAME}" "$@"
+    T="$TMPDIR"
+    TMPDIR="" # unset TMPDIR so mangal won't crash because of occupied TMPDIR
+    "${T}/${FILE_BASENAME}" "$@"
 }
 
 run "$@"