diff --git a/liquidprompt b/liquidprompt
index 1b8f2ef..0997587 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -202,6 +202,8 @@ _lp_source_config()
     LP_ENABLE_FOSSIL=${LP_ENABLE_FOSSIL:-1}
     LP_ENABLE_HG=${LP_ENABLE_HG:-1}
     LP_ENABLE_TIME=${LP_ENABLE_TIME:-0}
+    LP_ENABLE_VIRTUALENV=${LP_ENABLE_VIRTUALENV:-1}
+    LP_ENABLE_VCS_ROOT=${LP_ENABLE_VCS_ROOT:-0}
 
     LP_MARK_BATTERY=${LP_MARK_BATTERY:-"⌁"}
     LP_MARK_ADAPTER=${LP_MARK_ADAPTER:-"⏚"}