diff --git a/Marlin/src/HAL/shared/Marduino.h b/Marlin/src/HAL/shared/Marduino.h
index 56be8d72118fb..bf5e46b3b7d02 100644
--- a/Marlin/src/HAL/shared/Marduino.h
+++ b/Marlin/src/HAL/shared/Marduino.h
@@ -39,7 +39,7 @@
 #define DISABLED(V...) DO(DIS,&&,V)
 
 #undef _BV
-#define _BV(b) (1UL << (b))
+#define _BV(b) (1 << (b))
 #ifndef SBI
   #define SBI(A,B) (A |= _BV(B))
 #endif