diff --git a/Moose Development/Moose/Wrapper/Airbase.lua b/Moose Development/Moose/Wrapper/Airbase.lua
index 693428891..27c97ae3e 100644
--- a/Moose Development/Moose/Wrapper/Airbase.lua	
+++ b/Moose Development/Moose/Wrapper/Airbase.lua	
@@ -1303,7 +1303,7 @@ function AIRBASE:GetRunwayData(magvar, mark)
 
     if exception==1 then
 
-      j=N-(i+1)  -- 1-->4, 2-->3
+      j=N-(i-1)  -- 1-->4, 2-->3
 
     elseif exception==2 then