diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index dbae9b03..d1e64a31 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -2005,3 +2005,6 @@ Matthias Schwarzott <zzam@gentoo.org>
 
 Martin Ostermann <martin@familie-ostermann.de>
  for fixing processing the PDCDescriptor in 'libsi' on big endian systems
+
+Boguslaw Juza <bogdan@uci.agh.edu.pl>
+ for reporting that there are stations that use blanks in the language codes
diff --git a/HISTORY b/HISTORY
index 17191e00..e5495111 100644
--- a/HISTORY
+++ b/HISTORY
@@ -4931,7 +4931,10 @@ Video Disk Recorder Revision History
 
 - Official release.
 
-2006-09-24: Version 1.4.3-1
+2006-10-07: Version 1.4.3-1
 
 - The function cThread::Cancel() now only sets 'running' to false and does not
   actually kill the thread if the special value -1 is given (suggested by Udo Richter).
+- Changed the I18nNormalizeLanguageCode() check to also allow blanks (and all other
+  printable characters) in the language codes (thanks to Boguslaw Juza for reporting
+  that there are stations that use blanks in these codes).
diff --git a/i18n.c b/i18n.c
index 34c81f62..67d2927b 100644
--- a/i18n.c
+++ b/i18n.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: i18n.c 1.282 2006/09/16 09:08:30 kls Exp $
+ * $Id: i18n.c 1.283 2006/10/07 12:18:10 kls Exp $
  *
  * Translations provided by:
  *
@@ -6243,9 +6243,9 @@ int I18nLanguageIndex(const char *Code)
 
 const char *I18nNormalizeLanguageCode(const char *Code)
 {
-  if (Code[0] && !isalnum(Code[0]) || Code[1] && !isalnum(Code[1]) || Code[2] && !isalnum(Code[2])) {
+  if (Code[0] && !isprint(Code[0]) || Code[1] && !isprint(Code[1]) || Code[2] && !isprint(Code[2])) {
      // ISO 639 language codes are defined as alphabetical characters, but digits are apparently
-     // also used, for instance for "2ch"
+     // also used, for instance for "2ch". There are even channels that use blank characters.
      //dsyslog("invalid language code: '%s'", Code);
      return "???";
      }