diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2841bd895..019d5d92e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -322,7 +322,7 @@ jobs:
         run: cmake --build build --config ${{env.BUILD_TYPE}}
       - name: "Dryrun test (not installed)"
         run: |
-          $tmp = [System.IO:Path]::GetTempPath()
+          $tmp = [System.IO.Path]::GetTempPath()
           $tmp_slash = $tmp -replace '\\', '/'
           Write-Host "`n`n" -NoNewline | bash tools/test-avrdude -v -t "$tmp_slash" -e build/src/${{env.BUILD_TYPE}}/avrdude.exe -c "-C build/src/avrdude.conf" -d0 -p"-cdryrun -pm2560" -p"-cdryrun -pavr64du28"
       - name: Archive build artifacts