diff --git a/src/Evaluator/EvalValues/TableEvalValue.hpp b/src/Evaluator/EvalValues/TableEvalValue.hpp
index 36cad69..2655731 100644
--- a/src/Evaluator/EvalValues/TableEvalValue.hpp
+++ b/src/Evaluator/EvalValues/TableEvalValue.hpp
@@ -53,7 +53,7 @@ namespace Porygon::Evaluation {
 
         [[nodiscard]]
         inline EvalValue* IndexValue(const EvalValue *val) const final {
-            const auto stringKey = val->EvaluateString();
+            const auto stringKey = val->GetHashCode();
             return this->_table->at(Utilities::HashedString::CreateLookup(stringKey))->Clone();
         }
 
diff --git a/src/Evaluator/Evaluator.cpp b/src/Evaluator/Evaluator.cpp
index d409b58..7f1d869 100644
--- a/src/Evaluator/Evaluator.cpp
+++ b/src/Evaluator/Evaluator.cpp
@@ -407,8 +407,7 @@ namespace Porygon::Evaluation {
         auto values = new map<Utilities::HashedString, EvalValuePointer>();
         for (size_t i = 0; i < valueExpressions->size(); i++) {
             auto val = this->EvaluateExpression(valueExpressions->at(i));
-            auto k = Utilities::StringUtils::IntToString(i + 1);
-            auto s = Utilities::HashedString(new u16string(k));
+            auto s = Utilities::HashedString::CreateLookup(i + 1);
             values->insert({s, val});
         }
         auto valuesPointer = shared_ptr<map<Utilities::HashedString, EvalValuePointer>>(values);
diff --git a/src/Evaluator/Iterator/NumericalKeyIterator.cpp b/src/Evaluator/Iterator/NumericalKeyIterator.cpp
index d4149ef..f48cee6 100644
--- a/src/Evaluator/Iterator/NumericalKeyIterator.cpp
+++ b/src/Evaluator/Iterator/NumericalKeyIterator.cpp
@@ -1,6 +1,6 @@
 #include "NumericalKeyIterator.hpp"
 
 const Porygon::Evaluation::EvalValue *Porygon::Evaluation::NumericalKeyIterator::GetCurrent() {
-    auto s = *_iterator->first.GetString();
-    return new NumericEvalValue(Utilities::StringUtils::ParseInteger(s));
+    auto s = _iterator->first.GetHash();
+    return new NumericEvalValue(static_cast<int64_t >(s));
 }
diff --git a/tests/integration/TablesTests.cpp b/tests/integration/TablesTests.cpp
index 97941a3..b792679 100644
--- a/tests/integration/TablesTests.cpp
+++ b/tests/integration/TablesTests.cpp
@@ -98,6 +98,18 @@ table.foo = 500
     delete script;
 }
 
+TEST_CASE( "Dynamic numerical table size", "[integration]" ) {
+    Script* script = Script::Create(
+            R"(
+table = {}
+table[1] = 500
+return table[1]
+)");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    auto result = script->Evaluate();
+    CHECK(result -> EvaluateInteger() == 500);
+    delete script;
+}
 
 
 #endif