diff --git a/src/config.rs b/src/config.rs
index 4822548..aa65dad 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,12 +1,13 @@
 use std::{
 	env, fs,
+	io::stdin,
 	path::{Path, PathBuf},
 };
 
 use ron::ser::PrettyConfig;
 use serde::{Deserialize, Serialize};
 
-use crate::utils::{log_success, Apply};
+use crate::utils::{log_process, log_success, Apply};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Config {
@@ -33,6 +34,11 @@ impl Config {
 		path.extend([Self::CONFIG_FILE_NAME]);
 		let content =
 			ron::ser::to_string_pretty(self, PrettyConfig::default().struct_names(true)).unwrap();
+		if path.exists() {
+			log_process("config already exists, overwrite it?");
+			let mut buff = String::new();
+			stdin().read_line(&mut buff).unwrap();
+		}
 		fs::write(path, content).unwrap();
 	}
 
diff --git a/src/main.rs b/src/main.rs
index d79e861..652f46e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -89,6 +89,7 @@ fn compilation_args() -> Vec<String> {
 		"-Wall".to_string(),
 		"-Wextra".to_string(),
 		"-std=c99".to_string(),
+		"-pedantic".to_string(),
 	];
 	if Config::get_local_or_default().strict_mode() {
 		args.push("-Werror".to_string());
@@ -138,7 +139,8 @@ fn main() {
 		} => {
 			let path =
 				path.unwrap_or_else(|| env::current_dir().unwrap().to_str().unwrap().to_string());
-			config::create(path.clone(), prefix);
+			let prefix = prefix.trim().trim_end_matches('*');
+			config::create(path.clone(), prefix.to_string());
 			if tests {
 				config::create_test(path);
 			}