diff --git a/include/compiler/treeifier/tokenizer.hh b/include/compiler/treeifier/tokenizer.hh
index feff58d..78cd6b4 100644
--- a/include/compiler/treeifier/tokenizer.hh
+++ b/include/compiler/treeifier/tokenizer.hh
@@ -6,6 +6,8 @@
 
 namespace ppc::comp::tree {
     enum operator_t {
+        NONE,
+
         LESS_THAN,
         GREATER_THAN,
         LESS_THAN_EQUALS,
diff --git a/src/compiler/treeifier/operators.cc b/src/compiler/treeifier/operators.cc
index 06df236..fce5567 100644
--- a/src/compiler/treeifier/operators.cc
+++ b/src/compiler/treeifier/operators.cc
@@ -7,6 +7,7 @@ using namespace std::string_literals;
 
 
 std::vector<std::string> operators = {
+    "(none)",
     "<", ">", "<=", ">=", "==", "!=", "&&", "||",
     "<<", ">>", "^", "&", "|", "!", "~",
     "++", "--",