diff --git a/data/campaigns/Eastern_Invasion/_main.cfg b/data/campaigns/Eastern_Invasion/_main.cfg
index d443460225c..15bebddfb2d 100644
--- a/data/campaigns/Eastern_Invasion/_main.cfg
+++ b/data/campaigns/Eastern_Invasion/_main.cfg
@@ -35,7 +35,7 @@
 [editor_group]
     id=eastern_invasion
     name= _ "Eastern Invasion"
-    icon="group_custom"
+    icon="group_mainline"
 [/editor_group]
 {campaigns/Eastern_Invasion/terrain.cfg}
 {campaigns/Eastern_Invasion/terrain-graphics.cfg}