diff --git a/opossum/src/nodes/dummy.rs b/opossum/src/nodes/dummy.rs
index f863b4e5351f831c8c816e8db557eeadda15a44c..ef53480d23e479a0314f1ab78ea9fa0af0cda7e3 100644
--- a/opossum/src/nodes/dummy.rs
+++ b/opossum/src/nodes/dummy.rs
@@ -9,7 +9,9 @@ use crate::{
     error::{OpmResult, OpossumError},
     light_result::LightResult,
     lightdata::LightData,
-    optic_node::{{Alignable, OpticNode}, LIDT},
+    optic_node::{
+        LIDT, {Alignable, OpticNode},
+    },
     optic_ports::{OpticPorts, PortType},
     surface::{OpticalSurface, Plane},
     utils::geom_transformation::Isometry,