diff --git a/libraries/liblunicode/ucdata/ucdata.c b/libraries/liblunicode/ucdata/ucdata.c
index e90758641c..cae3085ff9 100644
--- a/libraries/liblunicode/ucdata/ucdata.c
+++ b/libraries/liblunicode/ucdata/ucdata.c
@@ -36,6 +36,7 @@
 
 #include <ac/bytes.h>
 
+#include <lber.h>
 #include "ucdata.h"
 
 /**************************************************************************