diff --git a/cfg/vaillant/eigen.profile b/cfg/vaillant/eigen.profile
new file mode 100644
index 0000000000000000000000000000000000000000..8477a380dbf5f7024156aec2f10df25e4ea6e524
--- /dev/null
+++ b/cfg/vaillant/eigen.profile
@@ -0,0 +1 @@
+add2env INCLUDE "/opt/eigen/include/eigen3"