diff --git a/src/nvim/cmdexpand_defs.h b/src/nvim/cmdexpand_defs.h
index e95792f9ca..3535e216d6 100644
--- a/src/nvim/cmdexpand_defs.h
+++ b/src/nvim/cmdexpand_defs.h
@@ -102,6 +102,7 @@ enum {
   EXPAND_MAPCLEAR,
   EXPAND_ARGLIST,
   EXPAND_DIFF_BUFFERS,
+  // EXPAND_DISASSEMBLE,
   EXPAND_BREAKPOINT,
   EXPAND_SCRIPTNAMES,
   EXPAND_RUNTIME,
diff --git a/test/old/testdir/test_cmdline.vim b/test/old/testdir/test_cmdline.vim
index 9d9ccb0ee0..e7cf4cc385 100644
--- a/test/old/testdir/test_cmdline.vim
+++ b/test/old/testdir/test_cmdline.vim
@@ -1307,6 +1307,16 @@ func Test_cmdline_complete_various()
   call feedkeys(":topleft new\<C-A>\<C-B>\"\<CR>", 'xt')
   call assert_equal("\"topleft new", @:)
 
+  " completion for the :disassemble command
+  " call feedkeys(":disas deb\<C-A>\<C-B>\"\<CR>", 'xt')
+  " call assert_equal("\"disas debug", @:)
+  " call feedkeys(":disas pro\<C-A>\<C-B>\"\<CR>", 'xt')
+  " call assert_equal("\"disas profile", @:)
+  " call feedkeys(":disas debug Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
+  " call assert_equal("\"disas debug Test_cmdline_complete_various", @:)
+  " call feedkeys(":disas profile Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
+  " call assert_equal("\"disas profile Test_cmdline_complete_various", @:)
+
   " call feedkeys(":disas \<S-Tab>\<C-B>\"\<CR>", 'xt')
   " call assert_match('"disas <SNR>\d\+_', @:)
   " call feedkeys(":disas debug \<S-Tab>\<C-B>\"\<CR>", 'xt')