diff --git a/lib/core/target.py b/lib/core/target.py
index a6204effd..99ea68870 100644
--- a/lib/core/target.py
+++ b/lib/core/target.py
@@ -293,6 +293,7 @@ def initTargetEnv():
         kb.injParameter   = None
         kb.injPlace       = None
         kb.injType        = None
+        kb.nullConnection = None
         kb.parenthesis    = None
         kb.unionComment   = ""
         kb.unionCount     = None