diff --git a/tests/ansible/integration/stub_connections/kubectl.yml b/tests/ansible/integration/stub_connections/kubectl.yml
index ba53d1e0..867a8c17 100644
--- a/tests/ansible/integration/stub_connections/kubectl.yml
+++ b/tests/ansible/integration/stub_connections/kubectl.yml
@@ -13,6 +13,7 @@
   - custom_python_detect_environment:
     vars:
       ansible_connection: kubectl
+      ansible_python_interpreter: python  # avoid Travis virtualenv breakage
       mitogen_kubectl_path: stub-kubectl.py
     register: out
 
diff --git a/tests/ansible/integration/stub_connections/lxc.yml b/tests/ansible/integration/stub_connections/lxc.yml
index 7a2cd81c..1dbe2a48 100644
--- a/tests/ansible/integration/stub_connections/lxc.yml
+++ b/tests/ansible/integration/stub_connections/lxc.yml
@@ -10,6 +10,7 @@
   - custom_python_detect_environment:
     vars:
       ansible_connection: lxc
+      ansible_python_interpreter: python  # avoid Travis virtualenv breakage
       mitogen_lxc_attach_path: stub-lxc-attach.py
     register: out
 
diff --git a/tests/ansible/integration/stub_connections/lxd.yml b/tests/ansible/integration/stub_connections/lxd.yml
index 86f4b185..7839a35f 100644
--- a/tests/ansible/integration/stub_connections/lxd.yml
+++ b/tests/ansible/integration/stub_connections/lxd.yml
@@ -10,6 +10,7 @@
   - custom_python_detect_environment:
     vars:
       ansible_connection: lxd
+      ansible_python_interpreter: python  # avoid Travis virtualenv breakage
       mitogen_lxc_path: stub-lxc.py
     register: out
 
diff --git a/tests/ansible/integration/stub_connections/mitogen_doas.yml b/tests/ansible/integration/stub_connections/mitogen_doas.yml
index 3c1459e9..5387744e 100644
--- a/tests/ansible/integration/stub_connections/mitogen_doas.yml
+++ b/tests/ansible/integration/stub_connections/mitogen_doas.yml
@@ -10,6 +10,7 @@
   - custom_python_detect_environment:
     vars:
       ansible_connection: mitogen_doas
+      ansible_python_interpreter: python  # avoid Travis virtualenv breakage
       ansible_doas_exe: stub-doas.py
       ansible_user: someuser
     register: out
diff --git a/tests/ansible/integration/stub_connections/mitogen_sudo.yml b/tests/ansible/integration/stub_connections/mitogen_sudo.yml
index b7ca3d26..e78afebc 100644
--- a/tests/ansible/integration/stub_connections/mitogen_sudo.yml
+++ b/tests/ansible/integration/stub_connections/mitogen_sudo.yml
@@ -10,6 +10,7 @@
   - custom_python_detect_environment:
     vars:
       ansible_connection: mitogen_sudo
+      ansible_python_interpreter: python  # avoid Travis virtualenv breakage
       ansible_user: root
       ansible_become_exe: stub-sudo.py
       ansible_become_flags: -H --type=sometype --role=somerole
diff --git a/tests/ansible/integration/stub_connections/setns_lxc.yml b/tests/ansible/integration/stub_connections/setns_lxc.yml
index c57a8c5c..efef3761 100644
--- a/tests/ansible/integration/stub_connections/setns_lxc.yml
+++ b/tests/ansible/integration/stub_connections/setns_lxc.yml
@@ -18,6 +18,7 @@
         -i localhost,
         -c setns
         -e mitogen_kind=lxc
+        -e ansible_python_interpreter=python
         -e mitogen_lxc_info_path={{git_basedir}}/tests/data/stubs/stub-lxc-info.py
         -m shell
         -a "echo hi"
diff --git a/tests/ansible/integration/stub_connections/setns_lxd.yml b/tests/ansible/integration/stub_connections/setns_lxd.yml
index 7db47661..adee0b14 100644
--- a/tests/ansible/integration/stub_connections/setns_lxd.yml
+++ b/tests/ansible/integration/stub_connections/setns_lxd.yml
@@ -18,6 +18,7 @@
         -i localhost,
         -c setns
         -e mitogen_kind=lxd
+        -e ansible_python_interpreter=python
         -e mitogen_lxc_path={{git_basedir}}/tests/data/stubs/stub-lxc.py
         -m shell
         -a "echo hi"