diff --git a/conf/layer.conf b/conf/layer.conf
index fb3404f..05c40a9 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -4,3 +4,6 @@
 BBFILE_COLLECTIONS += "ingrasys"
 BBFILE_PATTERN_ingrasys = ""
 LAYERSERIES_COMPAT_ingrasys = "sumo"
+
+# Provide a variable that points the base of the ingrasys layer.
+INGRASYSBASE = '${@os.path.normpath("${LAYERDIR}/")}'