diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index e3b1d1b0aee8..5a8df96dc4ab 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -912,7 +912,7 @@ static void do_signal(struct pt_regs *regs)
 }
 
 asmlinkage void do_notify_resume(struct pt_regs *regs,
-				 unsigned int thread_flags)
+				 unsigned long thread_flags)
 {
 	/*
 	 * The assembly code enters us with IRQs off, but it hasn't