diff --git a/src/headers/parsing/Parser.hpp b/src/headers/parsing/Parser.hpp
index fc7f9a1..2a9a7b6 100644
--- a/src/headers/parsing/Parser.hpp
+++ b/src/headers/parsing/Parser.hpp
@@ -117,23 +117,23 @@ namespace Parser {
                             }
                         }
                     }
-                    const component_ptr& previous = parseTree.at(parseTree.size() - 1);
-                    if (current.toktype == LPAR) {
+                    if (not parseTree.empty()) {
                         try {
-                            dynamic_cast<Call&>(*previous).ParseTree::operator=(parse(subTokens));
-                        } catch (const bad_cast&) {
-                            parsingError(current, "Unexpected parenthesis");
-                        }
-                    } else if (current.toktype == LBRACE) {
-                        const type_info& previous_id = previous->getId();
-                        if (previous_id == typeid(Function)) {
-                            dynamic_cast<Function&>(*previous).ParseTree::operator=(parse(subTokens));
-                        } else if (previous_id == typeid(Class)) {
-                            dynamic_cast<Class&>(*previous).body = parse(subTokens);
-                        }
-                    } else parseTree << parse(subTokens);
-                    i = distance(lexed.begin(), closingCharacter);
-                    break;
+                            const component_ptr& previous = parseTree.at(parseTree.size() - 1);
+                            if (current.toktype == LPAR) {
+                                dynamic_cast<Call&>(*previous).ParseTree::operator=(parse(subTokens));
+                            } else if (current.toktype == LBRACE) {
+                                const type_info& previous_id = previous->getId();
+                                if (previous_id == typeid(Function)) {
+                                    dynamic_cast<Function&>(*previous).ParseTree::operator=(parse(subTokens));
+                                } else if (previous_id == typeid(Class)) {
+                                    dynamic_cast<Class&>(*previous).body = parse(subTokens);
+                                }
+                            } else parseTree << parse(subTokens);
+                            i = distance(lexed.begin(), closingCharacter);
+                            break;
+                        } catch (const out_of_range&) {} catch (const bad_cast&) {}
+                    }
                 }
                 default: parsingError(current, " \u27F5 Unexpected character", true);
             }