diff --git a/entry/src/kni_entry.cpp b/entry/src/kni_entry.cpp
index 4c1bde5..81ecf91 100644
--- a/entry/src/kni_entry.cpp
+++ b/entry/src/kni_entry.cpp
@@ -2120,7 +2120,7 @@ static struct kni_field_stat_handle * fs_init(const char *profile){
 	FS_set_para(handle, MAX_STAT_FIELD_NUM, &value, sizeof(value));
 
 	value=1;
-	FS_set_para(handle, OUPUT_PROMETHEUS, &value, sizeof(value));
+	FS_set_para(handle, OUTPUT_PROMETHEUS, &value, sizeof(value));
 
 	fs_handle = ALLOC(struct kni_field_stat_handle, 1);
 	fs_handle->handle = handle;