diff --git a/src/main.rs b/src/main.rs
index 556cf57a..57670474 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -107,6 +107,20 @@ async fn main() {
 	let matches = Command::new("Redlib")
 		.version(env!("CARGO_PKG_VERSION"))
 		.about("Private front-end for Reddit written in Rust ")
+		.arg(
+			Arg::new("ipv4-only")
+				.short('4')
+				.long("ipv4-only")
+				.help("Listen on IPv4 only")
+				.num_args(0),
+		)
+		.arg(
+			Arg::new("ipv6-only")
+				.short('6')
+				.long("ipv6-only")
+				.help("Listen on IPv6 only")
+				.num_args(0),
+		)
 		.arg(
 			Arg::new("redirect-https")
 				.short('r')
@@ -149,7 +163,16 @@ async fn main() {
 	let port = matches.get_one::<String>("port").unwrap();
 	let hsts = matches.get_one("hsts").map(|m: &String| m.as_str());
 
-	let listener = [address, ":", port].concat();
+	let ipv4_only = std::env::var("IPV4_ONLY").is_ok() || matches.get_flag("ipv4-only");
+	let ipv6_only = std::env::var("IPV6_ONLY").is_ok() || matches.get_flag("ipv6-only");
+
+	let listener = if ipv4_only {
+		format!("0.0.0.0:{}", port)
+	} else if ipv6_only {
+		format!("[::]:{}", port)
+	} else {
+		[address, ":", port].concat()
+	};
 
 	println!("Starting Redlib...");