arch/s390/kernel/kprobes.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 358d2bb..e40373d 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -85,7 +85,7 @@ void __kprobes get_instruction_type(struct arch_specific_insn *ainsn)
 	ainsn->reg = (*ainsn->insn & 0xf0) >> 4;
 
 	/* save the instruction length (pop 5-5) in bytes */
-	switch (*(__u8 *) (ainsn->insn) >> 4) {
+	switch (*(__u8 *) (ainsn->insn) >> 6) {
 	case 0:
 		ainsn->ilen = 2;
 		break;