diff --git a/appveyor.yml b/appveyor.yml
index e7e0ba78..4e23490a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,5 @@
 environment:
+  APPVEYOR_CONSOLE_DISABLE_PTY: true
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Ubuntu
       APPVEYOR_JOB_NAME: "python37-x64-ubuntu"