diff --git a/soc/nxp/mcx/mcxw/Kconfig.defconfig b/soc/nxp/mcx/mcxw/Kconfig.defconfig
index 6a106466e67c6e..8d715a3aaf7122 100644
--- a/soc/nxp/mcx/mcxw/Kconfig.defconfig
+++ b/soc/nxp/mcx/mcxw/Kconfig.defconfig
@@ -4,7 +4,7 @@
 if SOC_SERIES_MCXW
 
 config NUM_IRQS
-	default 76
+	default 75
 
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	default 96000000 if CORTEX_M_SYSTICK