diff --git a/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f407xx b/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f407xx
index f359ea5e037..2b9483c16c5 100644
--- a/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f407xx
+++ b/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f407xx
@@ -19,6 +19,6 @@ config FLASH_SIZE
 
 config NUM_IRQS
 	int
-	default 85
+	default 82
 
 endif # SOC_STM32F407XX
diff --git a/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f429xx b/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f429xx
index a993cdc166a..16ee2e303c2 100644
--- a/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f429xx
+++ b/arch/arm/soc/st_stm32/stm32f4/Kconfig.defconfig.stm32f429xx
@@ -19,6 +19,6 @@ config FLASH_SIZE
 
 config NUM_IRQS
 	int
-	default 85
+	default 91
 
 endif # SOC_STM32F429XX