diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 426331ee8..182efc125 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -92,14 +92,15 @@ jobs:
         if [ "$VIM_BIN" = "nvim" ]; then
             export PATH="${DEPS}/_neovim/${VIM_TAG}/bin:${PATH}"
             export VIM="${DEPS}/_neovim/${VIM_TAG}/share/nvim/runtime"
+            export VIM_Es="--headless"
         else
             export PATH="${DEPS}/_vim/${VIM_TAG}/bin:${PATH}"
             export VIM="${DEPS}/_vim/${VIM_TAG}/share/vim"
-        fi
-        if [ "$DISABLE_ES" = "true" ]; then
-            export VIM_Es=""
-        else
-            export VIM_Es="-Es"
+            if [ "$DISABLE_ES" = "true" ]; then
+                export VIM_Es=""
+            else
+                export VIM_Es="-Es"
+            fi
         fi
         export PATH="/home/runner/.local/bin:${PATH}"
         echo "\$PATH: \"${PATH}\""
diff --git a/test/plugin/flygrep.vader b/test/plugin/flygrep.vader
index 0d100b417..6c5a9b71f 100644
--- a/test/plugin/flygrep.vader
+++ b/test/plugin/flygrep.vader
@@ -8,11 +8,13 @@ Execute ( SpaceVim plugin: flygrep ):
   let g:_spacevim_input_timeout = 0
   let lnr = 0
   let current_line = line('.')
+  Log getline('.')
   for line in readfile('Makefile')
     let lnr += 1
     if line =~# 'COVIMERAGE'
       break
     endif
   endfor
+  Log 'lnr is:' . lnr
   AssertEqual lnr, current_line
   unlet lnr line current_line