diff --git a/vim/.vim/lua/plugins/signify.lua b/vim/.vim/lua/plugins/signify.lua
index 2af9db9..aec56f6 100644
--- a/vim/.vim/lua/plugins/signify.lua
+++ b/vim/.vim/lua/plugins/signify.lua
@@ -4,7 +4,7 @@ local function change_diffbase(hg_revision, git_revision)
   vim.g.signify_vcs_cmds = {
     git = "git diff --no-color --diff-algorithm=histogram --no-ext-diff -U0 " .. git_revision .. " -- %f",
     yadm = 'yadm diff --no-color --no-ext-diff -U0 -- %f',
-    hg = 'chg --config alias.diff=diff diff --color=never --nodates -U0 -- %f',
+    hg = 'chg --config alias.diff=diff diff '.. hg_revision .. ' --color=never --nodates -U0 -- %f',
     svn = 'svn diff --diff-cmd %d -x -U0 -- %f',
     bzr = 'bzr diff --using %d --diff-options=-U0 -- %f',
     darcs = 'darcs diff --no-pause-for-gui --no-unified --diff-opts=-U0 -- %f',