diff --git a/octoprint_extradistance/__init__.py b/octoprint_extradistance/__init__.py
index 49d829d..818fd7d 100644
--- a/octoprint_extradistance/__init__.py
+++ b/octoprint_extradistance/__init__.py
@@ -52,6 +52,7 @@ class ExtraDistancePlugin(octoprint.plugin.SettingsPlugin,
 # ("OctoPrint-PluginSkeleton"), you may define that here. Same goes for the other metadata derived from setup.py that
 # can be overwritten via __plugin_xyz__ control properties. See the documentation for that.
 __plugin_name__ = "Extra Distance Buttons"
+__plugin_pythoncompat__ = ">=2.7,<4"
 
 def __plugin_load__():
 	global __plugin_implementation__