diff --git a/debian/changelog b/debian/changelog
index f5405c9a..0e9abd83 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -14,6 +14,9 @@ debian-cd (3.1.32) UNRELEASED; urgency=medium
   * tasks/bullseye/Debian-edu-full: Add winbind, freeradius and freeradius-krb5
     packages.
 
+  [ Steev Klimaszewski ]
+  * Fix sed delimiters in various scripts
+
  -- Steve McIntyre <93sam@debian.org>  sat, 12 Dec 2020 03:12:36 +0100
 
 debian-cd (3.1.31) unstable; urgency=medium
diff --git a/tools/boot/bullseye/boot-arm64 b/tools/boot/bullseye/boot-arm64
index a52018cb..d954dff3 100755
--- a/tools/boot/bullseye/boot-arm64
+++ b/tools/boot/bullseye/boot-arm64
@@ -126,10 +126,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/bullseye/boot-armhf b/tools/boot/bullseye/boot-armhf
index 43e96966..8ff8fdcc 100755
--- a/tools/boot/bullseye/boot-armhf
+++ b/tools/boot/bullseye/boot-armhf
@@ -125,10 +125,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/bullseye/boot-ia64 b/tools/boot/bullseye/boot-ia64
index 0e73cd86..d8c42ae3 100755
--- a/tools/boot/bullseye/boot-ia64
+++ b/tools/boot/bullseye/boot-ia64
@@ -122,10 +122,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/buster/boot-arm64 b/tools/boot/buster/boot-arm64
index 67dda5a3..c041b63f 100755
--- a/tools/boot/buster/boot-arm64
+++ b/tools/boot/buster/boot-arm64
@@ -122,10 +122,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/buster/boot-armhf b/tools/boot/buster/boot-armhf
index 43e96966..8ff8fdcc 100755
--- a/tools/boot/buster/boot-armhf
+++ b/tools/boot/buster/boot-armhf
@@ -125,10 +125,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/buster/boot-ia64 b/tools/boot/buster/boot-ia64
index 0e73cd86..d8c42ae3 100755
--- a/tools/boot/buster/boot-ia64
+++ b/tools/boot/buster/boot-ia64
@@ -122,10 +122,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/jessie/boot-arm64 b/tools/boot/jessie/boot-arm64
index fd736abf..cba5ba99 100755
--- a/tools/boot/jessie/boot-arm64
+++ b/tools/boot/jessie/boot-arm64
@@ -126,7 +126,7 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"
diff --git a/tools/boot/stretch/boot-arm64 b/tools/boot/stretch/boot-arm64
index d00b5f2e..f4ee5694 100755
--- a/tools/boot/stretch/boot-arm64
+++ b/tools/boot/stretch/boot-arm64
@@ -153,10 +153,10 @@ if [ -d boot$N/grub ] ; then
 
     # Finally, belt and braces - fix up the %install% entries in grub
     # in case they're still there
-    sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|\%install\%|$INSTALLDIR|g" $CDDIR/boot/grub/grub.cfg
 
     # Substitute custom KERNEL_PARAMS into grub.cfg
-    sed -i "s,/vmlinuz ,/vmlinuz $KERNEL_PARAMS ,g" $CDDIR/boot/grub/grub.cfg
+    sed -i "s|/vmlinuz |/vmlinuz $KERNEL_PARAMS |g" $CDDIR/boot/grub/grub.cfg
 
 else
     echo "  No EFI boot code for $ARCH on CD$N"