diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index fd051705a407..52c85b2f502e 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -312,7 +312,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 #if DEBUG_SIG
 	/* Assert that we're flushing in the correct space... */
 	{
-		int sid;
+		unsigned long sid;
 		asm ("mfsp %%sr3,%0" : "=r" (sid));
 		DBG(1,"setup_rt_frame: Flushing 64 bytes at space %#x offset %p\n",
 		       sid, frame->tramp);