diff --git a/src/Evaluator/Evaluator.cpp b/src/Evaluator/Evaluator.cpp
index 97d495d..a73c8c7 100644
--- a/src/Evaluator/Evaluator.cpp
+++ b/src/Evaluator/Evaluator.cpp
@@ -174,6 +174,7 @@ namespace Porygon::Evaluation {
             }
             this -> EvaluateBlockStatement(block);
         }
+        delete iterator;
     }
 
     /////////////////
diff --git a/src/Evaluator/Iterator/Iterator.hpp b/src/Evaluator/Iterator/Iterator.hpp
index 72a2d6c..3016f4a 100644
--- a/src/Evaluator/Iterator/Iterator.hpp
+++ b/src/Evaluator/Iterator/Iterator.hpp
@@ -13,6 +13,7 @@ namespace Porygon::Evaluation{
         virtual shared_ptr<EvalValue> GetCurrent() = 0;
         virtual bool MoveNext() = 0;
         virtual void Reset() = 0;
+        virtual ~Iterator(){}
     };
 
 }