diff --git a/tasks/repo_build_wheels.yml b/tasks/repo_build_wheels.yml
index b5e6997..ab58a3b 100644
--- a/tasks/repo_build_wheels.yml
+++ b/tasks/repo_build_wheels.yml
@@ -50,7 +50,7 @@
     --trusted-host {{ repo_build_pip_default_index | urlsplit('hostname') }}
     {% if repo_build_pip_extra_indexes is defined %}
     --extra-index-url {{ repo_build_pip_extra_indexes | join(' --extra-index-url ') }}
-    --trusted-host {{ repo_build_pip_extra_indexes | map(urlsplit('hostname')) | join(' --trusted-host ') }}
+    --trusted-host {{ repo_build_pip_extra_indexes | map('urlsplit', 'hostname') | join(' --trusted-host ') }}
     {% endif %}
     --requirement {{ repo_build_release_path }}/requirements.txt
     {{ pip_install_options }}
@@ -75,7 +75,7 @@
     --trusted-host {{ repo_build_pip_default_index | urlsplit('hostname') }}
     {% if repo_build_pip_extra_indexes is defined %}
     --extra-index-url {{ repo_build_pip_extra_indexes | join(' --extra-index-url ') }}
-    --trusted-host {{ repo_build_pip_extra_indexes | map(urlsplit('hostname')) | join(' --trusted-host ') }}
+    --trusted-host {{ repo_build_pip_extra_indexes | map('urlsplit', 'hostname') | join(' --trusted-host ') }}
     {% endif %}
     --build {{ repo_build_dir }}
     --requirement {{ repo_build_release_path }}/requirements.txt