diff --git a/bootstrap.sh b/bootstrap.sh
index 11c8ae9..faaf284 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -18,7 +18,7 @@
     clean)
         test -f Makefile && make maintainer-clean
         for file in ${AUTOCONF_FILES}; do
-            find -name "$file" | xargs -r rm -rf
+            find . -name "$file" -print0 | xargs -0 -r rm -rf
         done
         exit 0
         ;;
@@ -36,6 +36,7 @@
             "$@"
         ;;
     *)
+        # shellcheck disable=SC2016
         echo 'Run "./configure ${CONFIGURE_FLAGS} && make"'
         ;;
 esac