diff --git a/CMakeLists.txt b/CMakeLists.txt
index 23b8e8c..9eea334 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,10 +3,10 @@ cmake_minimum_required(VERSION 3.25)
 project(Rum VERSION 1.0)
 
 # compiler setup
-set(CMAKE_C_COMPILER clang)
-set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_C_COMPILER gcc)
+set(CMAKE_CXX_COMPILER g++)
 
-set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS true)
@@ -44,4 +44,4 @@ install(TARGETS
     ARCHIVE
         COMPONENT Development
 )
-install(DIRECTORY ${HEADERS} DESTINATION include COMPONENT Development)
\ No newline at end of file
+install(DIRECTORY ${HEADERS} DESTINATION include COMPONENT Development)
diff --git a/src/rum/http/method.cpp b/src/rum/http/method.cpp
index decdeed..1699541 100644
--- a/src/rum/http/method.cpp
+++ b/src/rum/http/method.cpp
@@ -19,6 +19,8 @@ std::string to_string(Method method) {
       return "OPTIONS";
     case TRACE:
       return "TRACE";
+    default:
+      return "";
   }
 }
 } // namespace Rum::HTTP
diff --git a/src/rum/http/request.cpp b/src/rum/http/request.cpp
index cb19e6a..5a5b861 100644
--- a/src/rum/http/request.cpp
+++ b/src/rum/http/request.cpp
@@ -16,6 +16,9 @@ Request::operator std::string() const {
   for (auto cookie : cookies) {
     cookie_string += "\t\t'" + cookie.first + "': '" + cookie.second + "'\n";
   }
+#if __cplusplus < 202302L
+  return "";
+#else
   return std::vformat(
       "Request{{\n"
       "\tmethod:  {}\n"
@@ -25,6 +28,7 @@ Request::operator std::string() const {
       "\tbody:    '{}'\n"
       "}}",
       std::make_format_args(to_string(method), (std::string)uri, headers_string, cookie_string, body));
+#endif
 }
 
 std::ostream& operator<<(std::ostream& stream, const Request req) {
diff --git a/src/rum/http/response.cpp b/src/rum/http/response.cpp
index 7cc56b9..cb72b99 100644
--- a/src/rum/http/response.cpp
+++ b/src/rum/http/response.cpp
@@ -72,7 +72,7 @@ std::string to_string(int code) {
 
   try {
     return codes.at(code);
-  } catch (std::out_of_range) {
+  } catch (std::out_of_range&) {
     return codes.at((code / 100) * 100);
   }
 }
@@ -85,13 +85,19 @@ Response::~Response() {
   for (Cookie& cookie : cookies) {
     headers_string += "Set-cookie: " + (std::string)cookie + "\r\n";
   }
-
+#if __cplusplus < 202302L
+  std::string message =
+    "HTTP/1.1 "+std::to_string(code)+" "+to_string(code)+"\r\n"+
+    headers_string + "\r\n"+
+    body;
+#else
   std::string message = std::vformat(
       "HTTP/1.1 {} {}\r\n"
       "{}"
       "\r\n"
       "{}",
       std::make_format_args(std::to_string(code), to_string(code), headers_string, body));
+#endif
   send(client_sock, message.c_str(), message.size(), 0);
 }
-} // namespace Rum::HTTP
\ No newline at end of file
+} // namespace Rum::HTTP
diff --git a/src/rum/http/server.cpp b/src/rum/http/server.cpp
index 232cfa2..51eec9d 100644
--- a/src/rum/http/server.cpp
+++ b/src/rum/http/server.cpp
@@ -119,7 +119,11 @@ void Server::handler(int client_sock, const sockaddr_in& client_address, char* b
 
     message += std::string(buffer, buffer + recieved);
 
+#if __cplusplus < 202302L
+    if (stage == METHOD && message.find("\r\n") != message.npos) {
+#else
     if (stage == METHOD && message.contains("\r\n")) {
+#endif
       std::regex method_regex("(GET|HEAD|POST|PUT|DELETE|CONNECT|OPTIONS|TRACE) (\\/.*) HTTP.*");
       std::smatch match;
       if (std::regex_match(message.cbegin(), message.cbegin() + message.find("\r\n"), match, method_regex)) {
@@ -136,7 +140,11 @@ void Server::handler(int client_sock, const sockaddr_in& client_address, char* b
       }
     }
 
+#if __cplusplus < 202302L
+    if (stage == HEADER && message.find("\r\n\r\n") != message.npos) {
+#else
     if (stage == HEADER && message.contains("\r\n\r\n")) {
+#endif
       std::regex header_regex("(.*): (.*)");
       for (std::sregex_iterator it = std::sregex_iterator(message.cbegin(), message.cbegin() + message.find("\r\n\r\n"), header_regex);
            it != std::sregex_iterator(); it++) {
@@ -176,15 +184,12 @@ void Server::handler(int client_sock, const sockaddr_in& client_address, char* b
     }
 
     if (stage == BODY) {
-      std::cout << "here" << std::endl;
-
       try {
         size_t content_length = std::stoul(request.get_header("content-length"));
-        std::cout << message.size() << " " << content_length << std::endl;
         if (message.size() < content_length)
           continue;
-      } catch (std::out_of_range) {
-      } catch (std::invalid_argument e) {
+      } catch (std::out_of_range&) {
+      } catch (std::invalid_argument& e) {
         std::cerr << "invlaid Content-Length header" << std::endl;
       }
       request.set_body(message);
@@ -210,8 +215,8 @@ void Server::handler(int client_sock, const sockaddr_in& client_address, char* b
       resp.set_code(404);
       resp.body = "<h1>404: Page not found :C</h1>";
     }
-  } catch (std::out_of_range) {
-  } catch (TCP::Error) {
+  } catch (std::out_of_range&) {
+  } catch (TCP::Error&) {
   }
 }
 } // namespace Rum::HTTP
\ No newline at end of file
diff --git a/src/rum/http/uri.cpp b/src/rum/http/uri.cpp
index a73d4f5..022d811 100644
--- a/src/rum/http/uri.cpp
+++ b/src/rum/http/uri.cpp
@@ -12,7 +12,9 @@ URI::operator std::string() const {
   for (auto param : parameters) {
     query += "\t\t'" + param.first + "': '" + param.second + "'\n";
   }
-
+#if __cplusplus < 202302L
+  return "";
+#else
   return std::vformat(
       "URI{{"
       "\n\tscheme:   '{}'"
@@ -25,6 +27,7 @@ URI::operator std::string() const {
       "\n\tfragment: '{}'"
       "\n}}",
       std::make_format_args(scheme, user, password, host, port, path, query, fragment));
+#endif
 }
 
 URI::URI(const std::string& uri) {
diff --git a/src/rum/tcp/error.cpp b/src/rum/tcp/error.cpp
index d1c6325..29ebaef 100644
--- a/src/rum/tcp/error.cpp
+++ b/src/rum/tcp/error.cpp
@@ -8,6 +8,8 @@ const char* Error::what() const noexcept {
       return "the connection is already closed";
     case UNKNOWN:
       return "an unknown error has occured";
+    default:
+      return "";
   }
 }
 } // namespace Rum::TCP
\ No newline at end of file
diff --git a/src/rum/tcp/server.cpp b/src/rum/tcp/server.cpp
index df591a1..026180d 100644
--- a/src/rum/tcp/server.cpp
+++ b/src/rum/tcp/server.cpp
@@ -19,7 +19,7 @@ Server::Server(unsigned short port) : sock(socket(AF_INET, SOCK_STREAM, 0)), por
 
   std::signal(SIGPIPE, SIG_IGN);
 
-  sockaddr_in address = {.sin_family = AF_INET, .sin_port = htons(port), .sin_addr = {.s_addr = INADDR_ANY}};
+  sockaddr_in address = {.sin_family = AF_INET, .sin_port = htons(port), .sin_addr = {.s_addr = INADDR_ANY}, .sin_zero="0000000"};
 
   if (bind(sock, (struct sockaddr*)&address, sizeof(address)) == -1)
     throw Error(Error::UNKNOWN);