diff --git a/runtime/defaults.vim b/runtime/defaults.vim
index f4d22bd..6fd43db 100644
--- a/runtime/defaults.vim
+++ b/runtime/defaults.vim
@@ -1,7 +1,7 @@
 " The default vimrc file.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last change:	2017 Apr 01
+" Last change:	2017 Apr 12
 "
 " This is loaded if no vimrc file was found.
 " Except when Vim is run with "-u NONE" or "-C".
@@ -28,13 +28,9 @@
 
 " When the +eval feature is missing, the set command above will be skipped.
 " Use a trick to reset compatible only when the +eval feature is missing.
-if 1
-  nnoremap : :"
-endif
-silent normal :set nocompatible
-if 1
-  nunmap :
-endif
+silent! while 0
+  set nocompatible
+silent! endwhile
 
 " Allow backspacing over everything in insert mode.
 set backspace=indent,eol,start
diff --git a/src/version.c b/src/version.c
index a68b999..50f110a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    566,
+/**/
     565,
 /**/
     564,