diff --git a/src/testdir/test_recover.vim b/src/testdir/test_recover.vim
index 395eb06..13437cd 100644
--- a/src/testdir/test_recover.vim
+++ b/src/testdir/test_recover.vim
@@ -249,6 +249,14 @@
   call assert_equal(['???EMPTY BLOCK'], getline(1, '$'))
   bw!
 
+  " set the number of pointers in a pointer block to a large value
+  let b = copy(save_b)
+  let b[4098:4099] = 0zFFFF
+  call writefile(b, sn)
+  call assert_fails('recover Xfile1', 'E1364:')
+  call assert_equal('Xfile1', @%)
+  bw!
+
   " set the block number in a pointer entry to a negative number
   let b = copy(save_b)
   if system_64bit