diff --git a/docker/kolla-toolbox/Dockerfile.j2 b/docker/kolla-toolbox/Dockerfile.j2
index 0fc920adaa..66a227e5db 100644
--- a/docker/kolla-toolbox/Dockerfile.j2
+++ b/docker/kolla-toolbox/Dockerfile.j2
@@ -72,7 +72,7 @@ RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
         'virtualenv'
     ] %}
 
-RUN {{ macros.install_pip(kolla_toolbox_pip_virtualenv_packages|customizable("pip_packages"), constraints=false) }} \
+RUN {{ macros.install_pip(kolla_toolbox_pip_virtualenv_packages | customizable("pip_virtualenv_packages"), constraints=false) }} \
     && virtualenv --system-site-packages {{ virtualenv_path }}
 
 ENV PATH {{ virtualenv_path }}/bin:$PATH
diff --git a/releasenotes/notes/fix-kolla-toolbox-venv-customisation-dc66f7bc621908a8.yaml b/releasenotes/notes/fix-kolla-toolbox-venv-customisation-dc66f7bc621908a8.yaml
new file mode 100644
index 0000000000..9195ebdefa
--- /dev/null
+++ b/releasenotes/notes/fix-kolla-toolbox-venv-customisation-dc66f7bc621908a8.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fix ``kolla_toolbox_pip_virtualenv_packages`` customisation.
+    `LP#1865119 <https://launchpad.net/bugs/1865119>`__