diff --git a/src/testdir/test_unlet.vim b/src/testdir/test_unlet.vim
index f670599..13ec66b 100644
--- a/src/testdir/test_unlet.vim
+++ b/src/testdir/test_unlet.vim
@@ -7,6 +7,12 @@
   catch
     call assert_true(v:exception =~ ':E795:')
   endtry
+  try
+    " this caused a crash
+    unlet errmsg
+  catch
+    call assert_true(v:exception =~ ':E795:')
+  endtry
 endfunc
 
 func Test_existing()
diff --git a/src/version.c b/src/version.c
index 449dd55..5bfab59 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1081,
+/**/
     1080,
 /**/
     1079,