diff --git a/sysdeps/powerpc/powerpc64/le/power9/strncpy.S b/sysdeps/powerpc/powerpc64/le/power9/strncpy.S
index 291941c1e5..5421525ace 100644
--- a/sysdeps/powerpc/powerpc64/le/power9/strncpy.S
+++ b/sysdeps/powerpc/powerpc64/le/power9/strncpy.S
@@ -352,7 +352,7 @@ L(zero_padding_loop):
 	cmpldi	cr6,r5,16	/* Check if length was reached.  */
 	ble	cr6,L(zero_padding_end)
 
-	stxv	v18,0(r11)
+	stxv	32+v18,0(r11)
 	addi	r11,r11,16
 	addi	r5,r5,-16
 
@@ -360,7 +360,7 @@ L(zero_padding_loop):
 
 L(zero_padding_end):
 	sldi	r10,r5,56	/* stxvl wants size in top 8 bits  */
-	stxvl	v18,r11,r10	/* Partial store  */
+	stxvl	32+v18,r11,r10	/* Partial store  */
 	blr
 
 	.align	4