diff --git a/arch/arm/include/lpc43xx/chip.h b/arch/arm/include/lpc43xx/chip.h
index 6168672ea8..390f96bd6c 100644
--- a/arch/arm/include/lpc43xx/chip.h
+++ b/arch/arm/include/lpc43xx/chip.h
@@ -566,7 +566,7 @@
 #define NVIC_SYSH_PRIORITY_MIN        LPC43M4_SYSH_PRIORITY_MIN
 #define NVIC_SYSH_PRIORITY_DEFAULT    LPC43M4_SYSH_PRIORITY_DEFAULT
 #define NVIC_SYSH_PRIORITY_MAX        LPC43M4_SYSH_PRIORITY_MAX
-#define NVIC_SYSH_PRIORITY_STEP       LPC43M4_SYSH_PRIORITY_INCR
+#define NVIC_SYSH_PRIORITY_STEP       LPC43M4_SYSH_PRIORITY_STEP
 
 /* If CONFIG_ARMV7M_USEBASEPRI is selected, then interrupts will be disabled
  * by setting the BASEPRI register to NVIC_SYSH_DISABLE_PRIORITY so that most