diff --git a/setup.py b/setup.py
index 688c1b407..d39cc6a97 100644
--- a/setup.py
+++ b/setup.py
@@ -240,7 +240,7 @@ if sys.version_info < (2, 7, 9):
             '<http://doc.supybot.aperio.fr/en/latest/use/security.html#ssl-python-versions>',
             DeprecationWarning)
 elif sys.version_info < (3, 0):
-    pass # fine, for the moment
+    pass
 elif sys.version_info < (3, 4):
     warnings.warn('Running Limnoria on Python 3.2 or 3.3 is not '
             'recommended because these versions do not support SSL '
@@ -248,4 +248,13 @@ elif sys.version_info < (3, 4):
             '<http://doc.supybot.aperio.fr/en/latest/use/security.html#ssl-python-versions>',
             DeprecationWarning)
 
+if sys.version_info < (3, 0):
+    warnings.warn('You are installing Limnoria for Python 2. While Python 2 '
+            'is currently supported by Limnoria, this may change in the near '
+            'future. If there is anything preventing you frorm upgrading to '
+            'Python 3 (incompatible plugin, dependency, ...), please open a '
+            'bug at <https://github.com/ProgVal/Limnoria/issues> and we\'ll '
+            'see together what we can do about it.',
+            DeprecationWarning)
+
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: