diff --git a/test/support/ldap_test_environment.ex b/test/support/ldap_test_environment.ex
index 2828b5b..cc2c228 100644
--- a/test/support/ldap_test_environment.ex
+++ b/test/support/ldap_test_environment.ex
@@ -4,17 +4,21 @@ defmodule RecycledCloud.LDAPTestEnvironment do
 
   @image "code.ungleich.ch:5050/fnux/e-durable-oci-images/openldap-playground:latest"
 
+  defp container_runtime_binary do
+    System.find_executable("podman") || System.find_executable("docker")
+  end
+
   def start() do
-    case System.find_executable("podman") do
+    case container_runtime_binary() do
       nil ->
-        Logger.error("Could not find podman executable (required for LDAP environment). Exiting.")
+        Logger.error("Could not find a container runtime (required for LDAP environment). Exiting.")
 
         :error
-      podman ->
+      binary ->
         Logger.info("Starting LDAP environment.")
         container = container_name()
         port = Port.open(
-          {:spawn_executable, podman},
+          {:spawn_executable, binary},
           [:binary, args: [
             "run", "--rm", "--name", container, "-p", "3089:389", @image
           ]])
@@ -34,8 +38,8 @@ defmodule RecycledCloud.LDAPTestEnvironment do
   def stop(name) do
     Logger.info "Terminating LDAP Test Environment."
 
-    podman = System.find_executable("podman")
-    System.cmd(podman, ["stop", name])
+    binary = container_runtime_binary()
+    System.cmd(binary, ["stop", name])
   end
 
   defp container_name, do: "ldap-playground-#{System.unique_integer()}"