diff --git a/tests/e2e/run_e2e.py b/tests/e2e/run_e2e.py
index 93eb158c..f5ed7a05 100755
--- a/tests/e2e/run_e2e.py
+++ b/tests/e2e/run_e2e.py
@@ -226,7 +226,7 @@ def use_e2e_env():
         docker_compose.up("-d")
 
         p = docker_compose.exec(
-            "-T", "--workdir", "/src/libervia-backend/tests", "backend",
+            "--workdir", "/src/libervia-backend/tests", "backend",
             "pytest", "-o", "cache_dir=/tmp", *sys.argv[1:], color="yes",
             _in=sys.stdin, _out=live_out, _out_bufsize=0, _err=live_err, _err_bufsize=0,
             _bg=True