diff --git a/m4/wm_i18n.m4 b/m4/wm_i18n.m4
index 460a5d36..9fae9c45 100644
--- a/m4/wm_i18n.m4
+++ b/m4/wm_i18n.m4
@@ -37,7 +37,7 @@ AC_DEFUN_ONCE([WM_I18N_LANGUAGES],
 [AC_ARG_VAR([LINGUAS],
     [list of language translations to support (I18N), use 'list' to get the list of supported languages, default: none])dnl
 AC_DEFUN([WM_ALL_LANGUAGES],
-    [m4_esyscmd([( ls wrlib/po/ ; ls WINGs/po/ ; ls po/ ; ls WPrefs.app/po/ ; ls util/po/ ) | sed -n -e '/po$/{s,\.po,,;p}' | sort -u | tr '\n' ' '])])dnl
+    [m4_esyscmd([( ls wrlib/po/ ; ls WINGs/po/ ; ls po/ ; ls WPrefs.app/po/ ; ls util/po/ ) | sed -n -e '/po$/{s,\.po,,;p;}' | sort -u | tr '\n' ' '])])dnl
 dnl We 'divert' the macro to have it executed as soon as the option list have
 dnl been processed, so the list of locales will be printed after the configure
 dnl options have been parsed, but before any test have been run
@@ -66,11 +66,11 @@ AS_IF([test "x$LINGUAS" != "x"],
      supported_locales=""
 
      # This is the list of locales that our archive currently supports
-     wraster_locales=" m4_esyscmd([ls wrlib/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
-     wings_locales=" m4_esyscmd([ls WINGs/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
-     wmaker_locales=" m4_esyscmd([ls po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
-     wprefs_locales=" m4_esyscmd([ls WPrefs.app/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
-     util_locales=" m4_esyscmd([ls util/po/ | sed -n '/po$/{s,.po,,;p}' | tr '\n' ' '])"
+     wraster_locales=" m4_esyscmd([ls wrlib/po/ | sed -n '/po$/{s,.po,,;p;}' | tr '\n' ' '])"
+     wings_locales=" m4_esyscmd([ls WINGs/po/ | sed -n '/po$/{s,.po,,;p;}' | tr '\n' ' '])"
+     wmaker_locales=" m4_esyscmd([ls po/ | sed -n '/po$/{s,.po,,;p;}' | tr '\n' ' '])"
+     wprefs_locales=" m4_esyscmd([ls WPrefs.app/po/ | sed -n '/po$/{s,.po,,;p;}' | tr '\n' ' '])"
+     util_locales=" m4_esyscmd([ls util/po/ | sed -n '/po$/{s,.po,,;p;}' | tr '\n' ' '])"
      man_locales=" m4_esyscmd([ls doc/ | grep '^[a-z][a-z]\(_[A-Z][A-Z]\)*$' | tr '\n' ' '])"
 
      # If the LINGUAS is specified as a simple '*', then we enable all the languages