diff --git a/src/memcpy.s b/src/memcpy.s
index 5124d03..0b4fccb 100644
--- a/src/memcpy.s
+++ b/src/memcpy.s
@@ -135,6 +135,9 @@ sub	r1, #3
 	bhi	.Lrword_copy
 // r2 = num chunks
 lsr	r2, #5
+// Move to the beginning of the current chunk
+sub	r0, #28
+sub	r1, #28
 // Preserve local variables
 push	{r4-r10}
 .Lrchunk_copy: