diff --git a/.github/workflows/vader-vim-win32.yaml b/.github/workflows/vader-vim-win32.yaml
index 49749c0..78a7274 100644
--- a/.github/workflows/vader-vim-win32.yaml
+++ b/.github/workflows/vader-vim-win32.yaml
@@ -81,7 +81,7 @@ jobs:
           # Uploaded release compiled with recent Java.
           nvim -version
           $env:JAVA_HOME = $env:JAVA_HOME_21_X64
-          $env:PATH += "c-worksheet-instrumentor-0.2.6\bin"
+          $env:PATH = "c-worksheet-instrumentor-0.2.6\bin;" + $env:PATH
           nvim -Es -u init.vim -c 'Vader! test/*.vader'
         timeout-minutes: 2
 
@@ -92,12 +92,12 @@ jobs:
 
       - name: Test NeoVim (with bad c-worksheetify-server)
         run: |
-          $env:PATH += "test\bad_server_command"
+          $env:PATH = "test\bad_server_command;" + $env:PATH
           nvim -Es -u init.vim -c 'Vader! test/bad_server_command/*.vader'
         timeout-minutes: 2
 
       - name: Test NeoVim (with bad c-worksheetify-server)
         run: |
-          $env:PATH += "test\bad_server_command"
+          $env:PATH = "test\bad_server_command;" + $env:PATH
           nvim -Es -u init.vim -c 'Vader! test/bad_server_command/*.vader'
         timeout-minutes: 2