1 files changed, 3 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 917fab7d..b52ba22f 100644
--- a/Makefile
+++ b/Makefile
@@ -123,7 +123,8 @@ release_tar: composer_dependencies htmldoc translate build_frontend
 ### generate a release zip and include 3rd-party dependencies and translations
 release_zip: composer_dependencies htmldoc translate build_frontend
         git archive --prefix=$(ARCHIVE_PREFIX) -o $(ARCHIVE_VERSION).zip -9 HEAD
-        mkdir -p $(ARCHIVE_PREFIX)/{doc,vendor}
+        mkdir -p $(ARCHIVE_PREFIX)/doc
+        mkdir -p $(ARCHIVE_PREFIX)/vendor
         rsync -a doc/html/ $(ARCHIVE_PREFIX)doc/html/
         zip -r $(ARCHIVE_VERSION).zip $(ARCHIVE_PREFIX)doc/
         rsync -a vendor/ $(ARCHIVE_PREFIX)vendor/
@@ -155,6 +156,7 @@ phpdoc: clean
 htmldoc:
         python3 -m venv venv/
         bash -c 'source venv/bin/activate; \
+        pip install wheel; \
         pip install mkdocs; \
         mkdocs build --clean'
         find doc/html/ -type f -exec chmod a-x '{}' \;