diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index 8acafe60220a..019096b66eff 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -108,6 +108,7 @@ SYM_START(srso_alias_untrain_ret, SYM_L_GLOBAL, SYM_A_NONE)
 	ret
 	int3
 SYM_FUNC_END(srso_alias_untrain_ret)
+__EXPORT_THUNK(srso_alias_untrain_ret)
 #endif
 
 SYM_START(srso_alias_safe_ret, SYM_L_GLOBAL, SYM_A_NONE)