1 files changed, 2 insertions, 1 deletions
diff --git a/src/evaluator.zig b/src/evaluator.zig
index e8e1bc5..f8bb052 100644
--- a/src/evaluator.zig
+++ b/src/evaluator.zig
@@ -90,7 +90,8 @@ pub const Evaluator = struct {
                     std.debug.print("Identifier {any} not found\n", .{identifier.name});
                     return EvaluatorError.EvaluationError;
                 };
-                return try self.get_expression_value(expression.?);
+
+                return try self.get_expression_value(expression orelse return EvaluatorError.EvaluationError);
             },
         };
     }