diff --git a/incs/electric.inc b/incs/electric.inc
index 119e270..18a1acd 100644
--- a/incs/electric.inc
+++ b/incs/electric.inc
@@ -32,7 +32,7 @@ texture {
 
 #declare Cabine_Loco_Electric = object
 {
-union {
+merge {
 	box	{ <-4, 4, -11>, <4, 10, 11> }
 	cylinder { <-3, 10, -11>, <-3, 10, 11> 1 }
 	cylinder { < 3, 10, -11>, < 3, 10, 11> 1 }