diff --git a/cibuildwheel/options.py b/cibuildwheel/options.py
index a6a3a165a..9207e3a58 100644
--- a/cibuildwheel/options.py
+++ b/cibuildwheel/options.py
@@ -419,7 +419,7 @@ def build_options(self, identifier: Optional[str]) -> BuildOptions:
             test_requires = self.reader.get("test-requires", sep=" ").split()
             test_extras = self.reader.get("test-extras", sep=",")
             build_verbosity_str = self.reader.get("build-verbosity")
-            container_engine = self.reader.get("container_engine")
+            container_engine = self.reader.get("container-engine")
 
             build_frontend: BuildFrontend
             if build_frontend_str == "build":
diff --git a/unit_test/docker_container_test.py b/unit_test/docker_container_test.py
index e8e3855a8..1b6edc0c7 100644
--- a/unit_test/docker_container_test.py
+++ b/unit_test/docker_container_test.py
@@ -92,9 +92,11 @@ def basis_container_kwargs():
         # print("SETUP temp_test_dir = {!r}".format(temp_test_dir))
 
     HAVE_DOCKER = bool(shutil.which("docker"))
+    HAVE_PODMAN = bool(shutil.which("podman"))
+
     if HAVE_DOCKER:
         yield {"container_engine": "docker", "docker_image": DEFAULT_IMAGE}
-    HAVE_PODMAN = bool(shutil.which("podman"))
+
     if HAVE_PODMAN:
         # Basic podman usage
         yield {"container_engine": "podman", "docker_image": DEFAULT_IMAGE}