diff --git a/lib/misc/blocks.js b/lib/misc/blocks.js
index 46417203..b53df3ce 100644
--- a/lib/misc/blocks.js
+++ b/lib/misc/blocks.js
@@ -101,7 +101,7 @@ export function moveNext (ed, sel, range) {
   // Ensure enough room at the end of the buffer
   const row = range[1][0]
   let last
-  while ((last = ed.getLastBufferRow()) < (row+2)) {
+  while ((last = ed.getLastBufferRow()) < (row+1)) {
     if ((last !== row) && !isBlank(getLine(ed, last))) {
       break
     }