diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 97e3b2f..a1f7cb3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /result
 /target
+/.direnv
diff --git a/src/tiles/battery.rs b/src/tiles/battery.rs
index c0e9e0e..7d44bcd 100644
--- a/src/tiles/battery.rs
+++ b/src/tiles/battery.rs
@@ -13,7 +13,7 @@ pub async fn battery_stream(config: BatteryConfig) {
     loop {
         let charge_now = async {
             let mut raw = String::new();
-            File::open(base_path.join("charge_now"))
+            File::open(base_path.join("energy_now"))
                 .await?
                 .read_to_string(&mut raw)
                 .await?;
@@ -22,7 +22,7 @@ pub async fn battery_stream(config: BatteryConfig) {
         };
         let charge_total = async {
             let mut raw = String::new();
-            File::open(base_path.join("charge_full"))
+            File::open(base_path.join("energy_full"))
                 .await?
                 .read_to_string(&mut raw)
                 .await?;