diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 46efc30a..cda2ec5e 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1737,6 +1737,7 @@ Christian Wieninger <cwieninger@gmx.de>
  for suggesting to add cMenuEditStrItem::InEditMode()
  for his idea of going directly into the "Edit timer" menu for a timer created
  from the "Schedule" menu in case it starts withing the next two minutes
+ for reporting a problem with a format string in recording.c on 64bit systems
 
 Thiemo Gehrke <tgehrke@reel-multimedia.com>
  for suggesting to add a setup option to turn off the automatic timeout of the
@@ -1857,3 +1858,7 @@ Peter Juszack <vdr@unterbrecher.de>
 
 Pierre Briec <pbriec@free.fr>
  for translating OSD texts to the French language
+
+Werner Schweer <ws@seh.de>
+ for pointing out that the 'z' printf modifier should be used for 'size_t' type
+ arguments
diff --git a/HISTORY b/HISTORY
index dac02f47..0271131f 100644
--- a/HISTORY
+++ b/HISTORY
@@ -4643,3 +4643,6 @@ Video Disk Recorder Revision History
 - Fixed some missing '-' in the German OSD texts (thanks to Walter Koch).
 - Added an error message about plugins that don't honor APIVERSION in their Makefile
   (based on a suggestion by Udo Richter).
+- Fixed a format string in recording.c to avoid a compiler warning on 64bit systems
+  (thanks to Christian Wieninger for reporting, and Werner Schweer for pointing out
+  that the 'z' modifier should be used here).
diff --git a/recording.c b/recording.c
index 1f2f015b..351713e9 100644
--- a/recording.c
+++ b/recording.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 1.146 2006/04/17 11:00:00 kls Exp $
+ * $Id: recording.c 1.147 2006/04/23 10:43:06 kls Exp $
  */
 
 #include "recording.h"
@@ -1197,7 +1197,7 @@ cIndexFile::cIndexFile(const char *FileName, bool Record)
                        LOG_ERROR_STR(fileName);
                     }
                  else
-                    esyslog("ERROR: can't allocate %d bytes for index '%s'", size * sizeof(tIndex), fileName);
+                    esyslog("ERROR: can't allocate %zd bytes for index '%s'", size * sizeof(tIndex), fileName);
                  }
               }
            else