diff --git a/components/freertos/Kconfig b/components/freertos/Kconfig
index 04bdd680..6ff02827 100644
--- a/components/freertos/Kconfig
+++ b/components/freertos/Kconfig
@@ -22,5 +22,12 @@ config FREERTOS_MAX_HOOK
     default 2
     help
         configurate the max number of FreeRTOS hook function.
+
+config FREERTOS_ISR_STACKSIZE
+    int "ISR stack size"
+    range 512 8192
+    default 512
+    help
+        The interrupt handlers have their own stack. The size of the stack can be defined here.
         
 endmenu
diff --git a/components/freertos/port/esp8266/xtensa_vectors.S b/components/freertos/port/esp8266/xtensa_vectors.S
index 4641049b..2d74d6fe 100644
--- a/components/freertos/port/esp8266/xtensa_vectors.S
+++ b/components/freertos/port/esp8266/xtensa_vectors.S
@@ -124,9 +124,6 @@ STRUCT_END(HighPriFrame)
 
 #define PANIC_STK_FRMSZ      0x60
 
-
-#define CHIP_INTERRUPT_STK_MAX 1024
-
     .global panicHandler
 
     //  Allocate save area and stack:
@@ -166,7 +163,7 @@ LABEL(_Pri_,_NMICount):   .space 4
     .global     _chip_interrupt_stk, _chip_interrupt_tmp
     .align      16
 _chip_interrupt_stk:
-    .space       CHIP_INTERRUPT_STK_MAX
+    .space       CONFIG_FREERTOS_ISR_STACKSIZE
 _chip_interrupt_tmp:
     .word        0