diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index 82379dc..1b67c85 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -149,6 +149,10 @@
 endfunc
 
 func Test_very_large_count()
+  if v:sizeofint != 8
+    throw 'Skipped: only works with 64 bit ints'
+  endif
+
   new
   let @" = 'x'
   call assert_fails('norm 44444444444444p', 'E1240:')