diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bc8101b8f..bb1791a67 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -57,6 +57,7 @@ jobs:
     - name: Run tests
       run: |
         source "$HOME/.df-env"
+        export TERM=dumb
         mv "$DF_FOLDER"/dfhack.init-example "$DF_FOLDER"/dfhack.init
         script -qe -c "python travis/run-tests.py --headless --keep-status \"$DF_FOLDER\""
         python travis/check-rpc.py "$DF_FOLDER/dfhack-rpc.txt"