diff --git a/zuul.d/devstack-tobiko.yaml b/zuul.d/devstack-tobiko.yaml
index b80cadf..1dbf114 100644
--- a/zuul.d/devstack-tobiko.yaml
+++ b/zuul.d/devstack-tobiko.yaml
@@ -155,7 +155,13 @@
     roles:
       - zuul: x/tobiko
     timeout: 10800
-    vars: *job_vars
+    vars:
+      <<: *job_vars
+      python_exe_dirs:
+        - ~/.local/bin
+        - ~/bin
+        - /usr/local/bin
+        - /usr/bin
     pre-run: playbooks/devstack/pre.yaml
     run: playbooks/devstack/run.yaml
     post-run: playbooks/devstack/post.yaml
@@ -178,7 +184,13 @@
     roles:
       - zuul: x/tobiko
     timeout: 10800
-    vars: *job_vars
+    vars:
+      <<: *job_vars
+      python_exe_dirs:
+        - ~/.local/bin
+        - ~/bin
+        - /usr/local/bin
+        - /usr/bin
     pre-run: playbooks/devstack/pre.yaml
     run: playbooks/devstack/run.yaml
     post-run: playbooks/devstack/post.yaml