2 files changed, 3 insertions, 3 deletions

diff --git a/arabluatex.dtx b/arabluatex.dtx
index 375d619..d2e1be7 100644
--- a/arabluatex.dtx
+++ b/arabluatex.dtx
@@ -27,7 +27,7 @@
 %<package-info>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
 %<package-info>\ProvidesPackage{arabluatex}
 %<*package-info>
-    [2018/01/04 v1.10.1 An ArabTeX-like interface for LuaLaTeX]
+    [2018/01/04 v1.10.2 An ArabTeX-like interface for LuaLaTeX]
 %</package-info>
 %
 %<*driver>
@@ -3423,7 +3423,7 @@ wa-ya.sIru ta.hta 'l-jild-i
 %    \begin{macrocode}
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{arabluatex}%
-[2018/01/04 v1.10.1 An ArabTeX-like interface for LuaLaTeX]
+[2018/01/04 v1.10.2 An ArabTeX-like interface for LuaLaTeX]
 \RequirePackage{ifluatex}
 %    \end{macrocode}
 % \package{arabluatex} requires \LuaLaTeX\ of course. Issue a warning
diff --git a/arabluatex.lua b/arabluatex.lua
index 523eece..088d241 100644
--- a/arabluatex.lua
+++ b/arabluatex.lua
@@ -670,7 +670,7 @@ function uc(str)
                         body = string.sub(body, 2, -2)
                         return string.format("%s", body)
    end)
-   str = string.gsub(str, "(%s[%(%<%[]?)(i?b[n%.])", "%1{%2}")
+   str = string.gsub(str, "(%s[%(%<%[]?)([i%']?b[n%.])", "%1{%2}")
    for i = 1,#lcuc do
       str = string.gsub(str, "^([%S]-%-[`']?)"..lcuc[i].a, "{%1"..lcuc[i].b.."}")
    end