diff --git a/haskell/System/Console/Isocline.hs b/haskell/System/Console/Isocline.hs
--- a/haskell/System/Console/Isocline.hs
+++ b/haskell/System/Console/Isocline.hs
@@ -31,7 +31,7 @@
 main  = do putStrLn \"Welcome\"
            `setHistory` \"history.txt\" 200
            input \<- `readline` \"myprompt\"     -- full prompt becomes \"myprompt> \"
-           putFmtLn (\"[gray]You wrote:[\/gray]\\n\" ++ input)
+           `putFmtLn` (\"[gray]You wrote:[\/gray]\\n\" ++ input)
 @
 
 Or using custom completions with an interactive loop:
diff --git a/isocline.cabal b/isocline.cabal
--- a/isocline.cabal
+++ b/isocline.cabal
@@ -1,11 +1,11 @@
-cabal-version: 1.12
+cabal-version: 1.12
 
 -- This file has been generated from package.yaml by hpack version 0.34.4.
 --
 -- see: https://github.com/sol/hpack
 
 name:           isocline
-version:        1.0.4
+version:        1.0.5
 synopsis:       A portable alternative to GNU Readline
 description:    ![logo](https://raw.githubusercontent.com/daanx/isocline/main/doc/isocline-inline.svg) A Haskell wrapper around the [Isocline C library](https://github.com/daanx/isocline#readme) which can provide an alternative to GNU Readline. (The Isocline library is included whole and there are no runtime dependencies).
                 Please see the [readme](https://github.com/daanx/isocline/haskell#readme) on GitHub for more information.
diff --git a/src/stringbuf.c b/src/stringbuf.c
--- a/src/stringbuf.c
+++ b/src/stringbuf.c
@@ -6,6 +6,9 @@
 -----------------------------------------------------------------------------*/
 
 // get `wcwidth` for the column width of unicode characters
+// note: for now the OS provided one is unused as we see quite a bit of variation 
+// among platforms and including our own seems more reliable.
+/* 
 #if defined(__linux__) || defined(__freebsd__)
 // use the system supplied one
 #if !defined(_XOPEN_SOURCE)
@@ -13,10 +16,11 @@
 #endif
 #include <wchar.h>
 #else
+*/
 // use our own (also on APPLE as that fails within vscode)
 #define  wcwidth(c)  mk_wcwidth(c)
 #include "wcwidth.c"
-#endif
+// #endif
 
 #include <stdio.h>
 #include <string.h>