diff --git a/src/main.rs b/src/main.rs
index 9b4c25b..56cfcd1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,9 +8,8 @@
 #[panic_handler]
 #[cfg(not(feature = "semihosting"))]
 fn panic(_info: &core::panic::PanicInfo) -> ! {
-    let dp = unsafe { pac::Peripherals::steal() };
-    dp.GPIOD.odr.modify(|_, w| w.odr6().high());  // FP_LED_1
-    dp.GPIOG.odr.modify(|_, w| w.odr4().high());  // FP_LED_3
+    let gpiod = unsafe { &*pac::GPIOD::ptr() };
+    gpiod.odr.modify(|_, w| w.odr6().high().odr12().high());  // FP_LED_1, FP_LED_3
     loop { core::sync::atomic::compiler_fence(core::sync::atomic::Ordering::SeqCst); }
 }