--- src/indent.c
+++ src/indent.c
@@ -3290,7 +3290,7 @@
     exit_values_ty exit_status;
 
 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) && defined (HAVE_LCCTYPES)
-    setlocale(LC_MESSAGES, "");
+    setlocale(LC_ALL, "");
 #endif
     bindtextdomain(PACKAGE, LOCALEDIR);
     textdomain(PACKAGE);