diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 26f8f31..079d9fb 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6287,7 +6287,7 @@
 #endif
 		ASM_CALL_CONSTRAINT
 		:
-		THUNK_TARGET(entry),
+		[thunk_target]"r"(entry),
 		[ss]"i"(__KERNEL_DS),
 		[cs]"i"(__KERNEL_CS)
 	);