diff --git a/appveyor.yml b/appveyor.yml
index fb44705ca0..02b4834139 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -74,7 +74,7 @@ build_script: c:\projects\wxwidgets\build\tools\appveyor.bat
 before_test:
 - ps: |
     Write-Output "Getting and launching httpbin."
-    C:\Python35\Scripts\pip.exe --disable-pip-version-check --no-warn-script-location install httpbin
+    C:\Python35\Scripts\pip.exe --disable-pip-version-check install httpbin
     Start-Job -Name wx_httpbin { C:\Python35\python.exe -m httpbin.core 2>&1 > c:\projects\wxwidgets\httpbin.log }
     Start-Sleep -Seconds 5
     if (curl -s http://127.0.0.1:5000/ip > $null) {