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-rw-r--r--src/cpu/Makefile.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpu/Makefile.inc b/src/cpu/Makefile.inc
index d9390610c6..52b58f7ecb 100644
--- a/src/cpu/Makefile.inc
+++ b/src/cpu/Makefile.inc
@@ -40,7 +40,7 @@ endif
$(obj)/cpu_microcode_blob.bin: $$(cpu_microcode_bins)
@printf " MICROCODE $(subst $(obj)/,,$(@))\n"
@echo $(cpu_microcode_bins)
- cat $+ > $@
+ cat /dev/null $+ > $@
cbfs-files-$(cbfs_include_ucode) += cpu_microcode_blob.bin
cpu_microcode_blob.bin-file := $(cpu_ucode_cbfs_file)