diff --git a/src/config.rs b/src/config.rs
index 8aebb2c..56cee7c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -20,7 +20,7 @@ impl Defaults {
     }
 }
 
-#[derive(Deserialize)]
+#[derive(Debug, Deserialize)]
 pub struct Config {
     #[serde(default = "Defaults::unlock")]
     pub unlock: bool,
@@ -30,7 +30,7 @@ pub struct Config {
     pub pci_info_map: Option<HashMap<U32, PciInfoMapEntry>>,
 }
 
-#[derive(Deserialize)]
+#[derive(Debug, Deserialize)]
 pub struct PciInfoMapEntry {
     pub device_id: u16,
     pub sub_system_id: u16,
diff --git a/src/lib.rs b/src/lib.rs
index e05f74d..7de779c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -76,7 +76,11 @@ static LAST_MDEV_UUID: Mutex<Option<Uuid>> = parking_lot::const_mutex(None);
 static CONFIG: Config = {
     match fs::read_to_string(DEFAULT_CONFIG_PATH) {
         Ok(config) => match toml::from_str::<Config>(&config) {
-            Ok(config) => config,
+            Ok(config) => {
+                println!("{:?}", config);
+
+                config
+            }
             Err(e) => {
                 eprintln!("Failed to decode config: {}", e);
 
diff --git a/src/string_number.rs b/src/string_number.rs
index ce21bd4..eb1a6e9 100644
--- a/src/string_number.rs
+++ b/src/string_number.rs
@@ -33,7 +33,8 @@ impl<'de> Deserialize<'de> for U32 {
                 match u32::from_str_radix(v, radix) {
                     Ok(n) => Ok(Self(n)),
                     Err(e) => Err(D::Error::custom(format!(
-                        "Failed to parse string as base-{radix} integer: {e}"
+                        "Failed to parse string as base-{} integer: {}",
+                        radix, e
                     ))),
                 }
             }