1 files changed, 3 insertions, 0 deletions

diff --git a/src/gamebuilder.cpp b/src/gamebuilder.cpp
index 857c348..e8ecf63 100644
--- a/src/gamebuilder.cpp
+++ b/src/gamebuilder.cpp
@@ -189,6 +189,9 @@ void GameBuilder::stackMod( AstNode::Type iType )
                 case AstNode::tNot:
                 case AstNode::tNegate:
                 case AstNode::tSwap:
+                case AstNode::tDeref:
+                case AstNode::tExists:
+                case AstNode::tDelete:
                         break;
 
                 case AstNode::tComp: