diff --git a/esp-hal/src/dma/buffers.rs b/esp-hal/src/dma/buffers.rs
index 10a76bd03..1b343a742 100644
--- a/esp-hal/src/dma/buffers.rs
+++ b/esp-hal/src/dma/buffers.rs
@@ -923,8 +923,9 @@ unsafe impl DmaTxBuffer for EmptyBuf {
     type View = EmptyBuf;
 
     fn prepare(&mut self) -> Preparation {
+        #[allow(unused_unsafe)] // stable requires unsafe, nightly complains about it
         Preparation {
-            start: unsafe { EMPTY.as_mut_ptr() },
+            start: unsafe { core::ptr::addr_of_mut!(EMPTY).cast() },
             block_size: None,
         }
     }
@@ -946,8 +947,9 @@ unsafe impl DmaRxBuffer for EmptyBuf {
     type View = EmptyBuf;
 
     fn prepare(&mut self) -> Preparation {
+        #[allow(unused_unsafe)] // stable requires unsafe, nightly complains about it
         Preparation {
-            start: unsafe { EMPTY.as_mut_ptr() },
+            start: unsafe { core::ptr::addr_of_mut!(EMPTY).cast() },
             block_size: None,
         }
     }
diff --git a/esp-ieee802154/src/raw.rs b/esp-ieee802154/src/raw.rs
index 806222b0d..8ce91686d 100644
--- a/esp-ieee802154/src/raw.rs
+++ b/esp-ieee802154/src/raw.rs
@@ -257,8 +257,9 @@ fn stop_current_operation() {
 }
 
 fn set_next_rx_buffer() {
+    #[allow(unused_unsafe)] // stable compiler needs unsafe, nightly complains about it
     unsafe {
-        set_rx_addr(RX_BUFFER.as_mut_ptr());
+        set_rx_addr(core::ptr::addr_of_mut!(RX_BUFFER).cast());
     }
 }