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-rw-r--r--pc-bios/s390-ccw/jump2ipl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/pc-bios/s390-ccw/jump2ipl.c b/pc-bios/s390-ccw/jump2ipl.c
index 73e4367e09..78f5f46533 100644
--- a/pc-bios/s390-ccw/jump2ipl.c
+++ b/pc-bios/s390-ccw/jump2ipl.c
@@ -64,8 +64,8 @@ void jump_to_IPL_code(uint64_t address)
* We use the load normal reset to keep r15 unchanged. jump_to_IPL_2
* can then use r15 as its stack pointer.
*/
- asm volatile("lghi 1,1\n\t"
- "diag 1,1,0x308\n\t"
+ asm volatile("lghi %%r1,1\n\t"
+ "diag %%r1,%%r1,0x308\n\t"
: : : "1", "memory");
panic("\n! IPL returns !\n");
}