diff --git a/scripts/isa/x86.mk b/scripts/isa/x86.mk
index 0df1d41..97cdd22 100644
--- a/scripts/isa/x86.mk
+++ b/scripts/isa/x86.mk
@@ -1,3 +1,4 @@
 CFLAGS  += -m32 -fno-pic -fno-omit-frame-pointer -march=i386
+CFLAGS  += -fcf-protection=none # remove endbr32 in Ubuntu 20.04 with a CPU newer than Comet Lake
 ASFLAGS += -m32 -fno-pic
 LDFLAGS += -melf_i386