diff --git a/include/services/spmd_svc.h b/include/services/spmd_svc.h
index 29dfdad..95f0707 100644
--- a/include/services/spmd_svc.h
+++ b/include/services/spmd_svc.h
@@ -34,7 +34,8 @@
 			       uint64_t x2,
 			       uint64_t x3,
 			       uint64_t x4,
-			       void *handle);
+			       void *handle,
+			       uint64_t flags);
 #endif /* __ASSEMBLER__ */
 
 #endif /* SPMD_SVC_H */