diff --git a/Makefile b/Makefile
index 52fe468..ef50bc6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
 dist: setup.py lektor_inlinetags.py
+	[ -z "$${VIRTUAL_ENV}" ]  # you can not do this inside a virtual environment.
 	@echo Building...
 	python3 setup.py sdist bdist_wheel
 	rm -rf ./*.egg-info/ ./build/ MANIFEST
diff --git a/setup.py b/setup.py
index 21e078d..9b642c0 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ setup(
     },
     author='relikd',
     url='https://github.com/relikd/lektor-inlinetags-plugin',
-    version='0.9.1',
+    version='0.9.2',
     description='Auto-detect and reference tags inside written text.',
     long_description=longdesc,
     long_description_content_type="text/markdown",