diff --git a/openslam-gmapping.spec b/openslam-gmapping.spec
index 324d4ae6757e7f37bfbf1c1645e8acd4c8eeb834..3000b8d79d523873ed5bc72a9000659c60ce8ebc 100644
--- a/openslam-gmapping.spec
+++ b/openslam-gmapping.spec
@@ -6,6 +6,7 @@
 %global __requires_exclude_from ^/opt/ros/%{ros_distro}/.*$
 
 %define RosPkgName      openslam-gmapping
+%define ros_distro      noetic
 %define with_tests 0
 
 Name:           ros-%{ros_distro}-%{RosPkgName}