diff --git a/Makefile b/Makefile
index 06587be..94d63e8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS  := -ggdb -Wall -pedantic -lpq -lcrypto
+CFLAGS  := -ggdb -Wextra -pedantic -std=c23 -lpq -lcrypto
 
 SRC_DIR := src
 OBJ_DIR := src/obj
diff --git a/src/main.h b/src/main.h
index 27a4478..7d4a897 100644
--- a/src/main.h
+++ b/src/main.h
@@ -14,6 +14,10 @@
 #define FILE_USER_LIST_NAME "userlist"
 #define WELCOME_FILE_NAME "welcome"
 
+#ifndef __USE_MISC
+#define __USE_MISC
+#endif
+
 enum sess_states {
   OP_EDIT_FILE,
   OP_DOWNLOAD,