diff --git a/tests/main.rs b/tests/main.rs
index b6dbe3d..569c86e 100644
--- a/tests/main.rs
+++ b/tests/main.rs
@@ -31,6 +31,19 @@ fn test_help_argument() {
     }
 }
 
+#[test]
+fn test_db_help_argument() {
+    let output = Command::new(get_binary_path())
+        .args(["--db", "mock.db", "help"])
+        .output()
+        .expect("Failed to execute command");
+
+    assert!(output.status.success());
+    let stdout = String::from_utf8(output.stdout).unwrap();
+    assert!(stdout.contains("zkr --db PATH COMMAND"));
+    assert!(stdout.contains("Commands"));
+}
+
 #[test]
 fn test_invalid_arguments_error() {
     let output = Command::new(get_binary_path())