diff --git a/DESCRIPTION b/DESCRIPTION
index 53a7f3e..bb0cd52 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: sentencepiece
 Type: Package
 Title: Text Tokenization using Byte Pair Encoding and Unigram Modelling
-Version: 0.2
+Version: 0.2.1
 Authors@R: c(
     person('Jan', 'Wijffels', role = c('aut', 'cre', 'cph'), email = 'jwijffels@bnosac.be', comment = "R wrapper"), 
     person('BNOSAC', role = 'cph', comment = "R wrapper"), 
diff --git a/NEWS.md b/NEWS.md
index 7e945c1..2d082a5 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+## CHANGES IN sentencepiece VERSION 0.2.1
+
+- Fix for clang-UBSAN error
+
 ## CHANGES IN sentencepiece VERSION 0.2
 
 - Fix wordpiece bug for 1-character words. (@jonthegeek, #4)
diff --git a/src/sentencepiece/src/unicode_script.h b/src/sentencepiece/src/unicode_script.h
index 917c49d..67042c0 100644
--- a/src/sentencepiece/src/unicode_script.h
+++ b/src/sentencepiece/src/unicode_script.h
@@ -19,7 +19,7 @@
 
 namespace sentencepiece {
 namespace unicode_script {
-enum ScriptType {
+enum ScriptType : int32_t {
   U_Adlam,
   U_Ahom,
   U_Anatolian_Hieroglyphs,