1 files changed, 1 insertions, 1 deletions
diff --git a/teensy/main.c b/teensy/main.c
index f15b3dedd..fdedff89c 100644
--- a/teensy/main.c
+++ b/teensy/main.c
@@ -39,7 +39,7 @@ void flash_error(int n) {
     }
 }
 
-void __fatal_error(const char *msg) {
+void NORETURN __fatal_error(const char *msg) {
     for (volatile uint delay = 0; delay < 10000000; delay++) {
     }
     led_state(1, 1);