diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index f1dfc088..4fb011f9 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -3314,6 +3314,7 @@ Matthias Senzel <matthias.senzel@t-online.de>
  for reporting that the info of a newly edited recording was not available immediately
  after starting the editing process
  for reporting a problem with setting the initial offset of the cursor in a list menu
+ for reporting a high CPU load during replay with active progress display
 
 Marek Nazarko <mnazarko@gmail.com>
  for translating OSD texts to the Polish language
diff --git a/HISTORY b/HISTORY
index 7e57e030..418f26e3 100644
--- a/HISTORY
+++ b/HISTORY
@@ -9344,3 +9344,5 @@ Video Disk Recorder Revision History
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Updated the Hungarian OSD texts (thanks to István Füley).
 - Updated the French OSD texts (thanks to Bernard Jaulin).
+- Fixed a high CPU load during replay with active progress display (reported by Matthias
+  Senzel).
diff --git a/menu.c b/menu.c
index 6527c43f..c8a557c1 100644
--- a/menu.c
+++ b/menu.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 4.73 2018/04/09 09:20:03 kls Exp $
+ * $Id: menu.c 4.74 2018/04/14 10:24:41 kls Exp $
  */
 
 #include "menu.h"
@@ -45,6 +45,7 @@
 #define MAXWAITFORCAMMENU  10 // seconds to wait for the CAM menu to open
 #define CAMMENURETRYTIMEOUT 3 // seconds after which opening the CAM menu is retried
 #define CAMRESPONSETIMEOUT  5 // seconds to wait for a response from a CAM
+#define PROGRESSTIMEOUT   100 // milliseconds to wait before updating the replay progress display
 #define MINFREEDISK       300 // minimum free disk space (in MB) required to start recording
 #define NODISKSPACEDELTA  300 // seconds between "Not enough disk space to start recording!" messages
 #define MAXCHNAMWIDTH      16 // maximum number of characters of channels' short names shown in schedules menus
@@ -5733,6 +5734,8 @@ void cReplayControl::ShowMode(void)
 bool cReplayControl::ShowProgress(bool Initial)
 {
   int Current, Total;
+  if (!(Initial || updateTimer.TimedOut()))
+     return visible;
   if (GetFrameNumber(Current, Total) && Total > 0) {
      if (!visible) {
         displayReplay = Skins.Current()->DisplayReplay(modeOnly);
@@ -5762,6 +5765,7 @@ bool cReplayControl::ShowProgress(bool Initial)
         }
      lastTotal = Total;
      ShowMode();
+     updateTimer.Set(PROGRESSTIMEOUT);
      return true;
      }
   return false;
diff --git a/menu.h b/menu.h
index b700e27d..3fc9f749 100644
--- a/menu.h
+++ b/menu.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.h 4.7 2018/04/02 13:41:49 kls Exp $
+ * $Id: menu.h 4.8 2018/04/14 10:24:41 kls Exp $
  */
 
 #ifndef __MENU_H
@@ -300,6 +300,7 @@ private:
   bool lastPlay, lastForward;
   int lastSpeed;
   time_t timeoutShow;
+  cTimeMs updateTimer;
   bool timeSearchActive, timeSearchHide;
   int timeSearchTime, timeSearchPos;
   void TimeSearchDisplay(void);