diff --git a/base64_s390x.s b/base64_s390x.s
index 5e4cf7d..603c59d 100644
--- a/base64_s390x.s
+++ b/base64_s390x.s
@@ -61,7 +61,8 @@ loop:
 	VSB RANGE1_END, X0, X1
 	VMXB ZERO, X1, X1
 
-	VECLB RANGE0_END, X0, X2
+	VLR V0, V2
+	VECLB RANGE0_END, X2
 	VMXB ZERO, X2, X2
 	VAB X2, X1, X1