diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -76,3 +76,7 @@
 ## 0.3.1.1 -- 2020-11-26
 
 * Third version revised B. Some code optimizations in the Languages.Phonetics.Ukrainian.Syllable module.
+
+## 0.3.1.2 -- 2020-11-26
+
+* Third version revised C. Some minor code optimization in the Languages.Phonetics.Ukrainian.Syllable module.
diff --git a/Languages/Phonetic/Ukrainian/Syllable.hs b/Languages/Phonetic/Ukrainian/Syllable.hs
--- a/Languages/Phonetic/Ukrainian/Syllable.hs
+++ b/Languages/Phonetic/Ukrainian/Syllable.hs
@@ -193,9 +193,8 @@
 createSyllablesUkrS = map (divVwls . reSyllableCntnts . groupSnds . str2UZPP2s) . words1 . mapMaybe g . convertToProperUkrainianS . map (\x -> if x == '-' then ' ' else x)
   where g x
           | x == '0' = Nothing
-          | x == '1' = Just ' '
-          | x == '-' = Just ' '
-          | otherwise = Just x
+          | x /= '1' && x /= '-' = Just x
+          | otherwise = Just ' '
         words1 xs = if null ts then [] else w : words1 s'' -- Practically this is an optimized version for this case 'words' function from Prelude.
           where ts = dropWhile (== ' ') xs
                 (w, s'') = span (/= ' ') ts
diff --git a/ukrainian-phonetics-basic.cabal b/ukrainian-phonetics-basic.cabal
--- a/ukrainian-phonetics-basic.cabal
+++ b/ukrainian-phonetics-basic.cabal
@@ -2,7 +2,7 @@
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                ukrainian-phonetics-basic
-version:             0.3.1.1
+version:             0.3.1.2
 synopsis:            A library to work with the basic Ukrainian phonetics and syllable segmentation.
 description:         A library to work with the basic Ukrainian phonetics and syllable segmentation. Rewritten from the mmsyn6ukr and mmsyn7s packages.
 homepage:            https://hackage.haskell.org/package/ukrainian-phonetics-basic