diff --git a/packages/cw0/src/parse_reply.rs b/packages/cw0/src/parse_reply.rs
index ca8fbfd07..327325e3d 100644
--- a/packages/cw0/src/parse_reply.rs
+++ b/packages/cw0/src/parse_reply.rs
@@ -43,7 +43,7 @@ fn parse_protobuf_varint(data: &mut Vec<u8>, field_number: u8) -> Result<usize,
             field_number
         )));
     }
-    *data = data.split_off(i + 1);
+    *data = data[i + 1..].to_owned();
 
     Ok(len as usize) // Gently fall back to the arch's max addressable size
 }