diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 9b2b1ac7e8c9..3f1691b89231 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -23,6 +23,7 @@
 #include <asm/cpufeatures.h>
 #include <asm/percpu.h>
 #include <asm/nops.h>
+#include <asm/nospec-branch.h>
 #include <asm/bootparam.h>
 #include <asm/export.h>
 #include <asm/pgtable_32.h>