diff --git a/HISTORY b/HISTORY
index 948af28e..9c8289f2 100644
--- a/HISTORY
+++ b/HISTORY
@@ -9780,7 +9780,7 @@ Video Disk Recorder Revision History
   out by Onur Sentürk).
 - Official release.
 
-2022-11-04:
+2022-11-06:
 
 - Added UPDATE-2.6.0, which was missing in the official 2.6.0 release.
 - Fixed unexpected calls of the '-r' script when a recording is interrupted and
@@ -9788,3 +9788,7 @@ Video Disk Recorder Revision History
 - Now dropping capabilities after opening terminal.
 - Now assuming the lock when removing deleted recordings even if the disk is full
   (reported by Claus Muus).
+- When checking whether a recording is still active, VDR no longer checks whether the
+  index file is being written, but rather checks for the presence of a '.timer' file.
+  The cutter now writes a dummy '.timer' file with timer ID '0' to make this work
+  for recordings that are currently being edited.
diff --git a/cutter.c b/cutter.c
index 8fda9418..e53f78d2 100644
--- a/cutter.c
+++ b/cutter.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: cutter.c 4.6 2018/01/18 12:19:31 kls Exp $
+ * $Id: cutter.c 5.1 2022/11/06 11:25:13 kls Exp $
  */
 
 #include "cutter.h"
@@ -677,6 +677,7 @@ bool cCutter::Start(void)
               cRecordingUserCommand::InvokeCommand(RUC_EDITINGRECORDING, editedVersionName, originalVersionName);
               if (cVideoDirectory::RemoveVideoFile(editedVersionName) && MakeDirs(editedVersionName, true)) {
                  Recording.WriteInfo(editedVersionName);
+                 SetRecordingTimerId(editedVersionName, cString::sprintf("%d@%s", 0, Setup.SVDRPHostName));
                  cuttingThread = new cCuttingThread(originalVersionName, editedVersionName);
                  return true;
                  }
@@ -693,6 +694,7 @@ void cCutter::Stop(void)
   const char *Error = cuttingThread ? cuttingThread->Error() : NULL;
   delete cuttingThread;
   cuttingThread = NULL;
+  SetRecordingTimerId(editedVersionName, NULL);
   if ((Interrupted || Error) && *editedVersionName) {
      if (Interrupted)
         isyslog("editing process has been interrupted");
diff --git a/recording.c b/recording.c
index 0bff62b6..60cfc1b6 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 5.14 2022/01/24 10:44:21 kls Exp $
+ * $Id: recording.c 5.15 2022/11/06 11:26:16 kls Exp $
  */
 
 #include "recording.h"
@@ -66,7 +66,6 @@
 #define DISKCHECKDELTA    100 // seconds between checks for free disk space
 #define REMOVELATENCY      10 // seconds to wait until next check after removing a file
 #define MARKSUPDATEDELTA   10 // seconds between checks for updating editing marks
-#define MININDEXAGE      3600 // seconds before an index file is considered no longer to be written
 #define MAXREMOVETIME      10 // seconds after which to return from removing deleted recordings
 
 #define MAX_LINK_LEVEL  6
@@ -1351,6 +1350,11 @@ int cRecording::IsInUse(void) const
   return Use;
 }
 
+static bool StillRecording(const char *Directory)
+{
+  return access(AddDirectory(Directory, TIMERRECFILE), F_OK) == 0;
+}
+
 void cRecording::ResetResume(void) const
 {
   resume = RESUME_NOT_INITIALIZED;
@@ -1360,7 +1364,7 @@ int cRecording::NumFrames(void) const
 {
   if (numFrames < 0) {
      int nf = cIndexFile::GetLength(FileName(), IsPesRecording());
-     if (time(NULL) - LastModifiedTime(cIndexFile::IndexFileName(FileName(), IsPesRecording())) < MININDEXAGE)
+     if (StillRecording(FileName()))
         return nf; // check again later for ongoing recordings
      numFrames = nf;
      }
@@ -1379,7 +1383,7 @@ int cRecording::FileSizeMB(void) const
 {
   if (fileSizeMB < 0) {
      int fs = DirSizeMB(FileName());
-     if (time(NULL) - LastModifiedTime(cIndexFile::IndexFileName(FileName(), IsPesRecording())) < MININDEXAGE)
+     if (StillRecording(FileName()))
         return fs; // check again later for ongoing recordings
      fileSizeMB = fs;
      }
@@ -2610,7 +2614,7 @@ cIndexFile::cIndexFile(const char *FileName, bool Record, bool IsPesRecording, b
                        }
                     else if (isPesRecording)
                        ConvertFromPes(index, size);
-                    if (!index || time(NULL) - buf.st_mtime >= MININDEXAGE) {
+                    if (!index || !StillRecording(FileName)) {
                        close(f);
                        f = -1;
                        }