diff --git a/src/main.rs b/src/main.rs
index 48feeb9..130587f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -330,6 +330,25 @@ fn main() {
 	let Some(port) = port else {
 		println!("Could not find any compatible serial port. Please make sure that the target is connected.");
 		println!("If the issue persists, please specify the port manually with the `--port ...` argument.");
+		println!();
+
+		let ports = serial_enumerator::get_serial_list();
+
+		if ports.is_empty() {
+			println!("No usable ports detected.");
+		}
+
+		if !ports.is_empty() {
+			println!("Possible ports:");
+
+			for port in serial_enumerator::get_serial_list() {
+				println!(" - {} ({}, {})",
+					port.name,
+					port.vendor.unwrap_or_else(|| "unknown vendor".to_string()),
+					port.product.unwrap_or_else(|| "unknown product".to_string()));
+			}
+		}
+
 		std::process::exit(1);
 	};