diff --git a/kayobe/cli/commands.py b/kayobe/cli/commands.py
index a37630870..26a7418a5 100644
--- a/kayobe/cli/commands.py
+++ b/kayobe/cli/commands.py
@@ -740,7 +740,7 @@ class SeedContainerImageBuild(KayobeAnsibleMixin, VaultMixin, Command):
             "container-image-build")
         extra_vars = {"push_images": parsed_args.push}
         if parsed_args.regex:
-            regexes = "'%s'" % " ".join(parsed_args.regex)
+            regexes = " ".join(parsed_args.regex)
             extra_vars["container_image_regexes"] = regexes
         else:
             extra_vars["container_image_sets"] = (
@@ -1422,7 +1422,7 @@ class OvercloudContainerImageBuild(KayobeAnsibleMixin, VaultMixin, Command):
             "container-image-build")
         extra_vars = {"push_images": parsed_args.push}
         if parsed_args.regex:
-            regexes = "'%s'" % " ".join(parsed_args.regex)
+            regexes = " ".join(parsed_args.regex)
             extra_vars["container_image_regexes"] = regexes
         else:
             extra_vars["container_image_sets"] = (
diff --git a/kayobe/tests/unit/cli/test_commands.py b/kayobe/tests/unit/cli/test_commands.py
index 612282d80..9d38ea6a0 100644
--- a/kayobe/tests/unit/cli/test_commands.py
+++ b/kayobe/tests/unit/cli/test_commands.py
@@ -829,7 +829,7 @@ class TestCase(unittest.TestCase):
                         "ansible", "container-image-build.yml")
                 ],
                 extra_vars={
-                    "container_image_regexes": "'^regex1$ ^regex2$'",
+                    "container_image_regexes": "^regex1$ ^regex2$",
                     "push_images": True,
                 }
             ),
@@ -1781,7 +1781,7 @@ class TestCase(unittest.TestCase):
                         "ansible", "container-image-build.yml")
                 ],
                 extra_vars={
-                    "container_image_regexes": "'^regex1$ ^regex2$'",
+                    "container_image_regexes": "^regex1$ ^regex2$",
                     "push_images": True,
                 }
             ),
diff --git a/releasenotes/notes/fix-image-build-regex-964c8c6359841662.yaml b/releasenotes/notes/fix-image-build-regex-964c8c6359841662.yaml
new file mode 100644
index 000000000..b8d26b81e
--- /dev/null
+++ b/releasenotes/notes/fix-image-build-regex-964c8c6359841662.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Fixes an issue when specifying multiple regular expressions to the ``kayobe
+    seed container image build`` and ``kayobe overcloud container image build``
+    commands. See `story 2006475
+    <https://storyboard.openstack.org/#!/story/2006475>`__ for details.