diff --git a/ports/windows/.appveyor.yml b/ports/windows/.appveyor.yml
index 739484f095..d7192236df 100644
--- a/ports/windows/.appveyor.yml
+++ b/ports/windows/.appveyor.yml
@@ -80,6 +80,7 @@ after_test:
     }
     C:\msys64\usr\bin\bash.exe -l -c "make V=1 test_full VARIANT=$($env:PyVariant)"
     if ($LASTEXITCODE -ne 0) {
+      cd (Join-Path $env:APPVEYOR_BUILD_FOLDER 'tests')
       & $env:MICROPY_CPYTHON3 run-tests.py --print-failures
       throw "Test failure"
     }