diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7512-32x/onlp/builds/src/module/src/platform_lib.c b/packages/platforms/accton/x86-64/x86-64-accton-as7512-32x/onlp/builds/src/module/src/platform_lib.c
index f0aff7a2..526ff1bb 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7512-32x/onlp/builds/src/module/src/platform_lib.c
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7512-32x/onlp/builds/src/module/src/platform_lib.c
@@ -66,7 +66,7 @@ int deviceNodeWriteInt(char *filename, int value, int data_len)
     char buf[8] = {0};
     sprintf(buf, "%d", value);
 
-    return deviceNodeWrite(filename, buf, sizeof(buf)-1, data_len);
+    return deviceNodeWrite(filename, buf, (int)strlen(buf), data_len);
 }
 
 int deviceNodeReadBinary(char *filename, char *buffer, int buf_size, int data_len)