diff --git a/src/SecExp/attackReport.tw b/src/SecExp/attackReport.tw
index 11a0d89a82663de1be3b81780ceff03d197413c5..6e27126182cdec711e74688496b587c5aa46bc84 100644
--- a/src/SecExp/attackReport.tw
+++ b/src/SecExp/attackReport.tw
@@ -1562,7 +1562,7 @@
 <</for>>
 <<for _i = 0; _i < $mercUnits.length; _i++>>
 	<<if $mercUnits[_i].isDeployed > 0>>
-		<<set $slaveUnits[_i].battlesFought++>>
+		<<set $mercUnits[_i].battlesFought++>>
 		<<set $mercUnits[_i].isDeployed = 0>>
 	<</if>>
 <</for>>
\ No newline at end of file