--- a/source/base/all/uninorm/unincore.c
+++ b/source/base/all/uninorm/unincore.c
@@ -19,6 +19,7 @@
 #include <string.h>
 #include "base/all/includes.h" /* BASE_LFN_MAXLEN */
 #include "unidata.h"
+#include "unincore.h"
 
 /* Hangul constants */
 #define SBase  0xAC00