diff --git a/rcutils.spec b/rcutils.spec
index 0a02e88dea8cfd2b9353a8630521504a1925c1eb..4c05a6e3aec0323bdbdb4a64d992205887d92f7d 100644
--- a/rcutils.spec
+++ b/rcutils.spec
@@ -6,6 +6,7 @@
 %global __requires_exclude_from ^/opt/ros/%{ros_distro}/.*$
 
 %define RosPkgName      rcutils
+%define ros_distro      humble
 
 Name:           ros-%{ros_distro}-%{RosPkgName}
 Version:        5.1.3