diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 8ae81b7..3579280 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -22,12 +22,13 @@ jobs:
     - name: Install ${{ matrix.vimFlavor }}
       if: matrix.vimFlavor == 'nvim'
       run: |
-        sudo add-apt-repository ppa:neovim-ppa/unstable
+        sudo add-apt-repository universe
         sudo apt-get update
         sudo apt-get install neovim
     - name: Review ctags version
       run: ctags --version
     - name: Review ${{ matrix.vimFlavor }} version
       run: ${{ matrix.vimFlavor }} --version
-    - name: Load plugin and try OpenWindow()
-      run: ${{ matrix.vimFlavor }} -i NONE "+set rtp+=$(pwd)" "+call tagbar#OpenWindow() | q" "+cq" plugin/tagbar.vim
+    - name: "Try tagbar#OpenWindow()"
+      run: |
+        ${{ matrix.tagsProvider == 'nvim' && 'nvim -i NONE -u /dev/null --headless' || 'vim -i NONE' }} "+set rtp+=$(pwd)" "+call tagbar#OpenWindow() | q" "+cq" plugin/tagbar.vim