diff --git a/src/client_functions.hpp b/src/client_functions.hpp
index 6c32347..497a47c 100644
--- a/src/client_functions.hpp
+++ b/src/client_functions.hpp
@@ -6,8 +6,8 @@ You should have received a copy of the GNU General Public License along with thi
 
 #include <string>
 
-#ifndef CLIENT_FUNCTIONS_H
-	#define CLIENT_FUNCTIONS_H
+#ifndef CLIENT_FUNCTIONS_HPP
+	#define CLIENT_FUNCTIONS_HPP
 	int getInformation(std::string& path, std::string& dir, int argc, char* argv[]);
 	int setupServer(std::string path, std::string directory);
 	void controlServer(int server);