diff --git a/second/enter_kernel030.S b/second/enter_kernel030.S
index 5763324..c89e02b 100644
--- a/second/enter_kernel030.S
+++ b/second/enter_kernel030.S
@@ -26,6 +26,8 @@ enter_kernel030:
 
 	move.l	16(%fp), %a2
 
+	ori.w	#0x0700, %sr
+
 	/* disable MMU */
 
 	lea	-8(%fp), %a1
diff --git a/second/enter_kernel040.S b/second/enter_kernel040.S
index 58abf89..4ead8a0 100644
--- a/second/enter_kernel040.S
+++ b/second/enter_kernel040.S
@@ -25,6 +25,8 @@ enter_kernel040:
 
 	move.l	16(%fp), %a2
 
+	ori.w   #0x0700, %sr
+
 	/* disable MMU */
 
 	moveq.l	#0, %d1