diff --git a/pluginlib.spec b/pluginlib.spec
index 4a80175810ecc76137b178db31d80f77283640c7..d264dc11cb23735947373e4a8b358a329312a826 100644
--- a/pluginlib.spec
+++ b/pluginlib.spec
@@ -7,6 +7,7 @@
 %global __requires_exclude_from ^/opt/ros/%{ros_distro}/.*$
 
 %define RosPkgName      pluginlib
+%define ros_distro      humble
 
 Name:           ros-%{ros_distro}-%{RosPkgName}
 Version:        5.1.0