diff --git a/tcsh-6.15.00-pipe.dif b/tcsh-6.15.00-pipe.dif
index 46b903c..cfc81a8 100644
--- a/tcsh-6.15.00-pipe.dif
+++ b/tcsh-6.15.00-pipe.dif
@@ -4,7 +4,7 @@
 
 --- sh.dol.c
 +++ sh.dol.c	2016-11-25 08:00:30.455106978 +0000
-@@ -428,6 +428,8 @@ Dgetdol(void)
+@@ -462,6 +462,8 @@ Dgetdol(void)
  	    size_t cbp = 0;
  	    int old_pintr_disabled;
  
diff --git a/tcsh-6.23.02.tar.gz b/tcsh-6.23.02.tar.gz
deleted file mode 100644
index 18bd256..0000000
--- a/tcsh-6.23.02.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c03f80405136731b3091da735a81cdd848008510324ab325f235aff709e446eb
-size 947265
diff --git a/tcsh-6.23.02.tar.gz.asc b/tcsh-6.23.02.tar.gz.asc
deleted file mode 100644
index 330a9e8..0000000
--- a/tcsh-6.23.02.tar.gz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
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diff --git a/tcsh-6.24.00-which.dif b/tcsh-6.24.00-which.dif
new file mode 100644
index 0000000..fb855be
--- /dev/null
+++ b/tcsh-6.24.00-which.dif
@@ -0,0 +1,26 @@
+From: Jamie Landeg-Jones <jamie@catflap.org>
+Message-Id: <202202021648.212GmqTP022048@donotpassgo.dyslexicfish.net>
+
+Basically, I noticed my aliases were out of wack. I discovered that "which"
+is no longer returning error 1 if a command is not found.
+
+It seems that when "setcopy" was changed in some cases to "setstatus", a mistake
+was made.
+
+This is the fix:
+
+---
+ tc.func.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- tc.func.c
++++ tc.func.c	2022-02-03 07:53:14.442853165 +0000
+@@ -503,7 +503,7 @@ dowhich(Char **v, struct command *c)
+ 	rv &= cmd_expand(*v, NULL);
+ 
+     if (!rv)
+-	setstatus(0);
++	setstatus(1);
+ }
+ 
+ static int
diff --git a/tcsh-6.24.00.tar.gz b/tcsh-6.24.00.tar.gz
new file mode 100644
index 0000000..d5cf652
--- /dev/null
+++ b/tcsh-6.24.00.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:60be2c504bd8f1fa6e424b1956495d7e7ced52a2ac94db5fd27f4b6bfc8f74f0
+size 949411
diff --git a/tcsh-6.24.00.tar.gz.asc b/tcsh-6.24.00.tar.gz.asc
new file mode 100644
index 0000000..66b92cc
--- /dev/null
+++ b/tcsh-6.24.00.tar.gz.asc
@@ -0,0 +1,16 @@
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diff --git a/tcsh.changes b/tcsh.changes
index 2451ca9..2f1d7b5 100644
--- a/tcsh.changes
+++ b/tcsh.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Thu Feb  3 07:56:15 UTC 2022 - Dr. Werner Fink <werner@suse.de>
+
+- Add patch tcsh-6.24.00-which.dif from upstream mailing list
+  to fix bug in which builtin, that is return error if a command
+  is not found 
+
+-------------------------------------------------------------------
+Wed Feb  2 13:46:57 UTC 2022 - Dr. Werner Fink <werner@suse.de>
+
+- Update to tcsh 6.24.00
+  11. Update config.guess and config.sub so arm64 is recognized
+
 -------------------------------------------------------------------
 Tue Jan 11 15:13:55 UTC 2022 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/tcsh.spec b/tcsh.spec
index d68605b..bf99f07 100644
--- a/tcsh.spec
+++ b/tcsh.spec
@@ -17,7 +17,7 @@
 
 
 Name:           tcsh
-Version:        6.23.02
+Version:        6.24.00
 Release:        0
 Summary:        The C SHell
 License:        BSD-3-Clause
@@ -31,6 +31,7 @@ Source4:        tcsh.keyring
 Patch0:         tcsh-6.21.00.dif
 Patch1:         tcsh-6.15.00-pipe.dif
 Patch2:         tcsh-6.16.00-norm-cmd.dif
+Patch3:         tcsh-6.24.00-which.dif
 Patch4:         tcsh-6.18.03-colorls.dif
 Patch5:         tcsh-6.17.06-dspmbyte.dif
 Patch6:         tcsh-6.18.03-catalogs.dif
@@ -57,6 +58,7 @@ correction, a history mechanism, job control, and a C-like syntax.
 %setup -q
 %patch1      -b .pipe
 %patch2      -b .normcmd
+%patch3      -b .whichbug
 %patch4      -b .colorls
 %patch5      -b .dspmbyte
 %patch6      -b .catalogs