diff --git a/Software/MainBoard/rust/src/hal/mod.rs b/Software/MainBoard/rust/src/hal/mod.rs
index 1a31a4a..20d533e 100644
--- a/Software/MainBoard/rust/src/hal/mod.rs
+++ b/Software/MainBoard/rust/src/hal/mod.rs
@@ -149,7 +149,7 @@ pub trait BoardInteraction<'a> {
     async fn get_time(&mut self) -> DateTime<Utc>;
     async fn set_time(&mut self, time: &DateTime<FixedOffset>) -> FatResult<()>;
     async fn set_charge_indicator(&mut self, charging: bool) -> Result<(), FatError>;
-    async fn deep_sleep(&mut self, duration_in_ms: u64) -> !;
+    async fn deep_sleep_ms(&mut self, duration_in_ms: u64) -> !;
 
     fn is_day(&self) -> bool;
     //should be multsampled
diff --git a/Software/MainBoard/rust/src/hal/v4_hal.rs b/Software/MainBoard/rust/src/hal/v4_hal.rs
index 757ac50..b5ad4c1 100644
--- a/Software/MainBoard/rust/src/hal/v4_hal.rs
+++ b/Software/MainBoard/rust/src/hal/v4_hal.rs
@@ -320,7 +320,7 @@ impl<'a> BoardInteraction<'a> for V4<'a> {
         self.charger.set_charge_indicator(charging)
     }
 
-    async fn deep_sleep(&mut self, duration_in_ms: u64) -> ! {
+    async fn deep_sleep_ms(&mut self, duration_in_ms: u64) -> ! {
         self.awake.set_low();
         self.charger.power_save();
         self.esp.deep_sleep(duration_in_ms);
diff --git a/Software/MainBoard/rust/src/main.rs b/Software/MainBoard/rust/src/main.rs
index d86bb12..ffa206c 100644
--- a/Software/MainBoard/rust/src/main.rs
+++ b/Software/MainBoard/rust/src/main.rs
@@ -692,7 +692,7 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
         board.board_hal.get_esp().set_restart_to_conf(false);
         board
             .board_hal
-            .deep_sleep(1000 * 1000 * 60 * deep_sleep_duration_minutes as u64)
+            .deep_sleep_ms(1000 * 60 * deep_sleep_duration_minutes as u64)
             .await;
     }
 }
@@ -1122,7 +1122,7 @@ async fn wait_infinity(
                     board.board_hal.get_esp().set_restart_to_conf(false);
                     // ensure clean http answer / visible confirmation
                     Timer::after_millis(500).await;
-                    board.board_hal.deep_sleep(0).await;
+                    board.board_hal.deep_sleep_ms(0).await;
                 }
 
                 // Short tick while holding so the pattern updates smoothly.
@@ -1231,7 +1231,7 @@ async fn wait_infinity(
                 .lock()
                 .await
                 .board_hal
-                .deep_sleep(0)
+                .deep_sleep_ms(0)
                 .await;
         }
     }