diff --git a/conf/layer.conf b/conf/layer.conf
index 6ef59ea8e0df66b3798a30b600b58e5687208497..6bcc6668c203f81427f51e97af61be764d53f91b 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -9,3 +9,5 @@ BBFILE_PATTERN_ros-layer := "^${LAYERDIR}/"
 BBFILE_PRIORITY_ros-layer = "7"
 
 LICENSE_PATH += "${LAYERDIR}/licenses"
+
+ROSDISTRO := "hydro"