diff --git a/nixos/modules/system/boot/loader/raspberrypi/builder.sh b/nixos/modules/system/boot/loader/raspberrypi/builder.sh
index 1a02bf23170..f627d093eaf 100644
--- a/nixos/modules/system/boot/loader/raspberrypi/builder.sh
+++ b/nixos/modules/system/boot/loader/raspberrypi/builder.sh
@@ -115,7 +115,7 @@ copyForced $fwdir/start_db.elf  /boot/start_db.elf
 copyForced $fwdir/start_x.elf   /boot/start_x.elf
 
 # Remove obsolete files from /boot and /boot/old.
-for fn in /boot/old/*linux* /boot/old/*initrd* /boot/bcm*.dtb; do
+for fn in /boot/old/*linux* /boot/old/*initrd-initrd* /boot/bcm*.dtb; do
     if ! test "${filesCopied[$fn]}" = 1; then
         rm -vf -- "$fn"
     fi