diff --git a/src/detections/configs.rs b/src/detections/configs.rs
index aecab75b..7518db47 100644
--- a/src/detections/configs.rs
+++ b/src/detections/configs.rs
@@ -58,6 +58,7 @@ impl Default for ConfigReader<'_> {
     usage = "hayabusa.exe <INPUT> [OTHER-ACTIONS] [OPTIONS]",
     author = "Yamato Security (https://github.com/Yamato-Security/hayabusa) @SecurityYamato)",
     version,
+    arg_required_else_help = true,
     term_width = 400
 )]
 pub struct Config {
diff --git a/src/main.rs b/src/main.rs
index b7fe4801..f19bc556 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -89,13 +89,6 @@ impl App {
             return;
         }
         let analysis_start_time: DateTime<Local> = Local::now();
-        // Show usage when no arguments.
-        if std::env::args().len() == 1 {
-            self.output_logo();
-            configs::CONFIG.write().unwrap().app.print_help().ok();
-            println!();
-            return;
-        }
         if !configs::CONFIG.read().unwrap().args.quiet {
             self.output_logo();
             println!();