diff --git a/packages/platforms/accton/armxx/arm-accton-as4610/arm_accton_as4610/module/src/fani.c b/packages/platforms/accton/armxx/arm-accton-as4610/arm_accton_as4610/module/src/fani.c
index 06772562..38052ac6 100644
--- a/packages/platforms/accton/armxx/arm-accton-as4610/arm_accton_as4610/module/src/fani.c
+++ b/packages/platforms/accton/armxx/arm-accton-as4610/arm_accton_as4610/module/src/fani.c
@@ -26,6 +26,7 @@
 #include <onlp/platformi/fani.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <limits.h>
 #include "platform_lib.h"
 #include "arm_accton_as4610_int.h"
 
@@ -123,7 +124,7 @@ _onlp_fani_info_get_fan(int local_id, onlp_fan_info_t* info)
 {
     int   fd, len, nbytes = 10;
     char  r_data[10]   = {0};
-    char  fullpath[65] = {0};
+    char  fullpath[PATH_MAX] = {0};
 
     /* get fan fault status (turn on when any one fails)
      */
@@ -132,7 +133,7 @@ _onlp_fani_info_get_fan(int local_id, onlp_fan_info_t* info)
     if (atoi(r_data) > 0) {
         info->status |= ONLP_FAN_STATUS_FAILED;
         return ONLP_STATUS_OK;
-    }  
+    }
 
     /* get fan speed
      */
@@ -152,7 +153,7 @@ _onlp_fani_info_get_fan_on_psu(int local_id, onlp_fan_info_t* info)
     int   psu_id;
     int   fd, len, nbytes = 10;
     char  r_data[10]   = {0};
-    char  fullpath[80] = {0};
+    char  fullpath[PATH_MAX] = {0};
     psu_type_t psu_type;
 
     /* get fan fault status
@@ -215,7 +216,7 @@ onlp_fani_info_get(onlp_oid_t id, onlp_fan_info_t* info)
     if (chassis_fan_count() == 0) {
         local_id += 1;
     }
-    
+
     *info = linfo[local_id];
 
     switch (local_id)
@@ -263,7 +264,7 @@ onlp_fani_percentage_set(onlp_oid_t id, int p)
 {
     int  fd, len, nbytes=10, local_id;
     char data[10] = {0};
-    char fullpath[70] = {0};
+    char fullpath[PATH_MAX] = {0};
 
     VALIDATE(id);
 
@@ -347,4 +348,3 @@ onlp_fani_ioctl(onlp_oid_t id, va_list vargs)
 {
     return ONLP_STATUS_E_UNSUPPORTED;
 }
-