diff --git a/homeassistant/util/environment.py b/homeassistant/util/environment.py
index f2e41dfb306..4227c485290 100644
--- a/homeassistant/util/environment.py
+++ b/homeassistant/util/environment.py
@@ -4,4 +4,5 @@ import sys
 
 def is_virtual():
     """ Return if we run in a virtual environtment. """
-    return sys.base_prefix != sys.prefix
+    # Check supports venv && virtualenv
+    return sys.base_prefix != sys.prefix or hasattr(sys, 'real_prefix')